diff --git a/resources/css/pedigree-chart.css b/resources/css/pedigree-chart.css
index 09d3d1a..4f49e25 100644
--- a/resources/css/pedigree-chart.css
+++ b/resources/css/pedigree-chart.css
@@ -1,10 +1,7 @@
 /* Form */
-.form-element-with-description {
-    padding-left: 1.5em;
-}
-
-.form-element-with-description .form-check {
-    padding-left: 0;
+.form-element-description {
+    -webkit-box-decoration-break: clone;
+    box-decoration-break: clone;
 }
 
 #webtrees-pedigree-chart-form .row {
diff --git a/resources/js/modules/custom/configuration.js b/resources/js/modules/custom/configuration.js
index 341a9d2..e2ed354 100644
--- a/resources/js/modules/custom/configuration.js
+++ b/resources/js/modules/custom/configuration.js
@@ -24,6 +24,7 @@ export default class Configuration
      * @param {Number}   generations
      * @param {Boolean}  showEmptyBoxes
      * @param {String}   treeLayout
+     * @param {Boolean}  openNewTabOnClick
      * @param {Boolean}  rtl
      * @param {Number}   direction
      */
@@ -32,6 +33,7 @@ export default class Configuration
         generations = 4,
         showEmptyBoxes = false,
         treeLayout = LAYOUT_LEFTRIGHT,
+        openNewTabOnClick = true,
         rtl = false,
         direction = 1
     ) {
@@ -39,6 +41,8 @@ export default class Configuration
         this._treeLayout   = treeLayout;
         this._orientations = new OrientationCollection();
 
+        this._openNewTabOnClick = openNewTabOnClick;
+
         //
         this.duration = 750;
 
@@ -146,4 +150,14 @@ export default class Configuration
     {
         return this._orientations.get()[this.treeLayout];
     }
+
+    /**
+     * Returns TRUE or FALSE depending on whether to open the current individual's details page in a new tab.
+     *
+     * @returns {Boolean}
+     */
+    get openNewTabOnClick()
+    {
+        return this._openNewTabOnClick;
+    }
 }
diff --git a/resources/js/modules/index.js b/resources/js/modules/index.js
index 4b10543..040adf6 100644
--- a/resources/js/modules/index.js
+++ b/resources/js/modules/index.js
@@ -29,6 +29,7 @@ export class PedigreeChart
      * @param {Number}   options.generations
      * @param {Boolean}  options.showEmptyBoxes
      * @param {String}   options.treeLayout
+     * @param {Boolean}  options.openNewTabOnClick
      * @param {String[]} options.cssFiles
      * @param {Data[]}   options.data
      */
@@ -43,6 +44,7 @@ export class PedigreeChart
             options.generations,
             options.showEmptyBoxes,
             options.treeLayout,
+            options.openNewTabOnClick,
             options.rtl
         );
 
diff --git a/resources/js/modules/lib/chart.js b/resources/js/modules/lib/chart.js
index c10c405..27f3c3b 100644
--- a/resources/js/modules/lib/chart.js
+++ b/resources/js/modules/lib/chart.js
@@ -184,7 +184,9 @@ export default class Chart
      */
     redirectToIndividual(url)
     {
-        window.open(url, "_blank");
+        this._configuration.openNewTabOnClick
+            ? window.open(url, "_blank")
+            : window.location = url;
     }
 
     /**
diff --git a/resources/views/modules/pedigree-chart/chart.phtml b/resources/views/modules/pedigree-chart/chart.phtml
index aef58f0..49f2a96 100644
--- a/resources/views/modules/pedigree-chart/chart.phtml
+++ b/resources/views/modules/pedigree-chart/chart.phtml
@@ -51,6 +51,10 @@ new WebtreesPedigreeChart.PedigreeChart(
             return treeLayout ?? <?= json_encode($configuration->getLayout()) ?>;
         },
 
+        get openNewTabOnClick() {
+            return openNewTabOnClick ?? <?= json_encode($configuration->getOpenNewTabOnClick()) ?>;
+        },
+
         data: <?= json_encode($data) ?>
     }
 );
diff --git a/resources/views/modules/pedigree-chart/form/layout.phtml b/resources/views/modules/pedigree-chart/form/layout.phtml
index d618cad..5c1f7ec 100644
--- a/resources/views/modules/pedigree-chart/form/layout.phtml
+++ b/resources/views/modules/pedigree-chart/form/layout.phtml
@@ -31,5 +31,19 @@ use MagicSunday\Webtrees\PedigreeChart\Configuration;
                 'unchecked' => '0',
             ])
         ?>
+
+        <div class="mt-3">
+            <?=
+            view($moduleName . '::modules/components/checkbox', [
+                'name'      => 'openNewTabOnClick',
+                'label'     => I18N::translate('Open individual in new browser window/tab'),
+                'checked'   => $configuration->getOpenNewTabOnClick(),
+                'unchecked' => '0',
+            ])
+            ?>
+            <small class="ps-4 form-text text-muted form-element-description">
+                <?= I18N::translate('Open the current individual\'s detail page in a new browser window/tab when it\'s left-clicked, otherwise the current window/tab is used.') ?>
+            </small>
+        </div>
     </div>
 </div>
diff --git a/resources/views/modules/pedigree-chart/page.phtml b/resources/views/modules/pedigree-chart/page.phtml
index 75e7f12..b002067 100644
--- a/resources/views/modules/pedigree-chart/page.phtml
+++ b/resources/views/modules/pedigree-chart/page.phtml
@@ -167,6 +167,7 @@ const storage = new WebtreesPedigreeChart.Storage("webtrees-pedigree-chart");
 storage.register("generations");
 storage.register("layout");
 storage.register("showEmptyBoxes");
+storage.register("openNewTabOnClick");
 
 // Handle option toggle button
 toggleMoreOptions(storage);
@@ -175,10 +176,11 @@ toggleMoreOptions(storage);
 let formElements = document.getElementById("webtrees-pedigree-chart-form").elements;
 formElements.namedItem("layout").value = storage.read("layout");
 
-const generations    = parseInt(storage.read("generations"));
-const showEmptyBoxes = storage.read("showEmptyBoxes");
-const treeLayout     = storage.read("layout");
-const ajaxUrl        = getUrl(<?= json_encode($ajaxUrl) ?>, storage.read("generations"));
+const generations       = parseInt(storage.read("generations"));
+const showEmptyBoxes    = storage.read("showEmptyBoxes");
+const treeLayout        = storage.read("layout");
+const openNewTabOnClick = storage.read("openNewTabOnClick");
+const ajaxUrl           = getUrl(<?= json_encode($ajaxUrl) ?>, storage.read("generations"));
 
 document.getElementById("pedigree-chart-url")
     .setAttribute('data-wt-ajax-url', ajaxUrl);
diff --git a/src/Configuration.php b/src/Configuration.php
index fa77ac4..87eaec4 100644
--- a/src/Configuration.php
+++ b/src/Configuration.php
@@ -146,7 +146,7 @@ public function getShowEmptyBoxes(): bool
             ->boolean(
                 'showEmptyBoxes',
                 (bool) $this->module->getPreference(
-                    'default_show_empty_boxes',
+                    'default_showEmptyBoxes',
                     '0'
                 )
             );
@@ -175,7 +175,7 @@ public function getLayout(): string
             ->string(
                 'layout',
                 $this->module->getPreference(
-                    'default_tree_layout',
+                    'default_layout',
                     self::DEFAULT_TREE_LAYOUT
                 )
             );
@@ -204,4 +204,27 @@ public function getLayouts(): array
             self::LAYOUT_TOPBOTTOM => view('icons/pedigree-down') . I18N::translate('down'),
         ];
     }
+
+    /**
+     * Returns whether to open a new browser window/tab on left-click on an individual or not.
+     *
+     * @return bool
+     */
+    public function getOpenNewTabOnClick(): bool
+    {
+        if ($this->request->getMethod() === RequestMethodInterface::METHOD_POST) {
+            $validator = Validator::parsedBody($this->request);
+        } else {
+            $validator = Validator::queryParams($this->request);
+        }
+
+        return $validator
+            ->boolean(
+                'openNewTabOnClick',
+                (bool) $this->module->getPreference(
+                    'default_openNewTabOnClick',
+                    '1'
+                )
+            );
+    }
 }
diff --git a/src/Module.php b/src/Module.php
index 43a31b8..ad6c2d8 100644
--- a/src/Module.php
+++ b/src/Module.php
@@ -166,11 +166,12 @@ public function handle(ServerRequestInterface $request): ResponseInterface
                 route(
                     self::ROUTE_DEFAULT,
                     [
-                        'tree'           => $tree->name(),
-                        'xref'           => $validator->string('xref', ''),
-                        'generations'    => $validator->integer('generations', 4),
-                        'showEmptyBoxes' => $validator->boolean('showEmptyBoxes', false),
-                        'layout'         => $validator->string('layout', Configuration::LAYOUT_LEFTRIGHT),
+                        'tree'              => $tree->name(),
+                        'xref'              => $validator->string('xref', ''),
+                        'generations'       => $validator->integer('generations', 4),
+                        'showEmptyBoxes'    => $validator->boolean('showEmptyBoxes', false),
+                        'layout'            => $validator->string('layout', Configuration::LAYOUT_LEFTRIGHT),
+                        'openNewTabOnClick' => $validator->boolean('openNewTabOnClick', true),
                     ]
                 )
             );
@@ -266,10 +267,11 @@ private function getAjaxRoute(Individual $individual, string $xref): string
         return $this->chartUrl(
             $individual,
             [
-                'ajax'        => true,
-                'generations' => $this->configuration->getGenerations(),
-                'layout'      => $this->configuration->getLayout(),
-                'xref'        => $xref,
+                'ajax'              => true,
+                'generations'       => $this->configuration->getGenerations(),
+                'layout'            => $this->configuration->getLayout(),
+                'openNewTabOnClick' => $this->configuration->getOpenNewTabOnClick(),
+                'xref'              => $xref,
             ]
         );
     }
diff --git a/src/Traits/ModuleConfigTrait.php b/src/Traits/ModuleConfigTrait.php
index c3a8beb..20d3ae7 100644
--- a/src/Traits/ModuleConfigTrait.php
+++ b/src/Traits/ModuleConfigTrait.php
@@ -58,8 +58,9 @@ public function postAdminAction(ServerRequestInterface $request): ResponseInterf
         $configuration = new Configuration($request, $this);
 
         $this->setPreference('default_generations', (string) $configuration->getGenerations());
-        $this->setPreference('default_tree_layout', $configuration->getLayout());
-        $this->setPreference('default_show_empty_boxes', (string) $configuration->getShowEmptyBoxes());
+        $this->setPreference('default_layout', $configuration->getLayout());
+        $this->setPreference('default_showEmptyBoxes', (string) $configuration->getShowEmptyBoxes());
+        $this->setPreference('default_openNewTabOnClick', (string) $configuration->getOpenNewTabOnClick());
 
         FlashMessages::addMessage(
             I18N::translate(