diff --git a/Sources/IntegrationHook.php b/Sources/IntegrationHook.php
index e13ace10db..2444db6f93 100644
--- a/Sources/IntegrationHook.php
+++ b/Sources/IntegrationHook.php
@@ -77,7 +77,7 @@ public function __construct(string $name, ?bool $ignore_errors = null)
 
 		$this->ignore_errors = $ignore_errors ?? !empty(Utils::$context['ignore_hook_errors']);
 
-		if (Config::$db_show_debug === true) {
+		if (!empty(Config::$db_show_debug)) {
 			Utils::$context['debug']['hooks'][] = $name;
 		}
 
diff --git a/Sources/TaskRunner.php b/Sources/TaskRunner.php
index 54172ab301..2ea5b2345a 100644
--- a/Sources/TaskRunner.php
+++ b/Sources/TaskRunner.php
@@ -161,7 +161,7 @@ public function __construct()
 				$_SERVER['SERVER_PROTOCOL'] = 'HTTP/1.0';
 			}
 
-			Config::$db_show_debug = null;
+			Config::$db_show_debug = false;
 
 			Db::load();
 
diff --git a/Sources/Theme.php b/Sources/Theme.php
index 1c6c5e6a23..f8ae4bff29 100644
--- a/Sources/Theme.php
+++ b/Sources/Theme.php
@@ -351,7 +351,7 @@ public static function loadTemplate(string|bool $template_name, array|string $st
 		}
 
 		if ($loaded) {
-			if (Config::$db_show_debug === true) {
+			if (!empty(Config::$db_show_debug)) {
 				Utils::$context['debug']['templates'][] = basename($template_dir) . '/' . $template_name . '.template.php';
 			}
 
@@ -406,7 +406,7 @@ public static function loadTemplate(string|bool $template_name, array|string $st
 	 */
 	public static function loadSubTemplate(string $sub_template_name, bool|string $fatal = false): void
 	{
-		if (Config::$db_show_debug === true) {
+		if (!empty(Config::$db_show_debug)) {
 			Utils::$context['debug']['sub_templates'][] = $sub_template_name;
 		}
 
@@ -1637,7 +1637,7 @@ function ($a, $b) {
 			}
 		}
 
-		if (Config::$db_show_debug === true) {
+		if (!empty(Config::$db_show_debug)) {
 			// Try to keep only what's useful.
 			$repl = [Config::$boardurl . '/Themes/' => '', Config::$boardurl . '/' => ''];
 
diff --git a/Sources/Utils.php b/Sources/Utils.php
index 55775bc4bd..eee5962495 100644
--- a/Sources/Utils.php
+++ b/Sources/Utils.php
@@ -2060,7 +2060,7 @@ function ($m) {
 		header('location: ' . str_replace(' ', '%20', $setLocation), true, $permanent ? 301 : 302);
 
 		// Debugging.
-		if (isset(Config::$db_show_debug) && Config::$db_show_debug === true) {
+		if (!empty(Config::$db_show_debug)) {
 			$_SESSION['debug_redirect'] = Db::$cache;
 		}
 
@@ -2254,7 +2254,7 @@ public static function getCallable(mixed $input, ?bool $ignore_errors = null): m
 					Utils::$context['instances'][$class] = new $class();
 
 					// Add another one to the list.
-					if (Config::$db_show_debug === true) {
+					if (!empty(Config::$db_show_debug)) {
 						if (!isset(Utils::$context['debug']['instances'])) {
 							Utils::$context['debug']['instances'] = [];
 						}