diff --git a/lib/classes/component.php b/lib/classes/component.php
index d954186e738e2..d37c5e4af1b22 100644
--- a/lib/classes/component.php
+++ b/lib/classes/component.php
@@ -1566,10 +1566,15 @@ public static function get_core_api_names(): array {
      * @return bool True if the plugin has a monologo icon
      */
     public static function has_monologo_icon(string $plugintype, string $pluginname): bool {
+        global $PAGE;
         $plugindir = self::get_plugin_directory($plugintype, $pluginname);
         if ($plugindir === null) {
             return false;
         }
-        return file_exists("$plugindir/pix/monologo.svg") || file_exists("$plugindir/pix/monologo.png");
+        $theme = \theme_config::load($PAGE->theme->name);
+        $component = self::normalize_componentname("{$plugintype}_{$pluginname}");
+        $hassvgmonologo = $theme->resolve_image_location('monologo', $component, true) !== null;
+        $haspngmonologo = $theme->resolve_image_location('monologo', $component) !== null;
+        return $haspngmonologo || $hassvgmonologo;
     }
 }