diff --git a/module/VuFind/src/VuFind/View/Helper/Root/Record.php b/module/VuFind/src/VuFind/View/Helper/Root/Record.php
index 9f1fc0c1b13..b77f5606650 100644
--- a/module/VuFind/src/VuFind/View/Helper/Root/Record.php
+++ b/module/VuFind/src/VuFind/View/Helper/Root/Record.php
@@ -422,7 +422,7 @@ public function getCheckbox($idPrefix = '', $formAttr = false, $number = null)
         $context = compact('number') + [
             'id' => $this->getUniqueIdWithSourcePrefix(),
             'checkboxElementId' => $this->getUniqueHtmlElementId($idPrefix),
-            'prefix' => $idPrefix
+            'prefix' => $idPrefix,
         ];
         if ($formAttr) {
             $context['formAttr'] = $formAttr;
@@ -720,11 +720,11 @@ protected function deduplicateLinks($links)
      *
      * @return string
      */
-    public function getUniqueHtmlElementId($idPrefix = "")
+    public function getUniqueHtmlElementId($idPrefix = '')
     {
         return preg_replace(
             "/\s+/",
-            "_",
+            '_',
             ($idPrefix ? $idPrefix . '-' : '') . $this->getUniqueIdWithSourcePrefix()
         );
     }
@@ -740,6 +740,6 @@ public function getUniqueIdWithSourcePrefix()
             return "{$this->driver->tryMethod('getSourceIdentifier')}"
                 . "|{$this->driver->tryMethod('getUniqueId')}";
         }
-        throw new \Exception("No record driver found.");
+        throw new \Exception('No record driver found.');
     }
 }