diff --git a/components/lib/styleclass/StyleClass.js b/components/lib/styleclass/StyleClass.js
index 688b9f14b..563f1b7d1 100644
--- a/components/lib/styleclass/StyleClass.js
+++ b/components/lib/styleclass/StyleClass.js
@@ -145,7 +145,7 @@ const StyleClass = BaseStyleClass.extend('styleclass', {
                 target.$p_styleclass_documentlistener = (event) => {
                     if (!this.isVisible(target) || getComputedStyle(target).getPropertyValue('position') === 'static') {
                         this.unbindDocumentListener(target);
-                    } else if (isOutsideClick(event, target, el)) {
+                    } else if (this.isOutsideClick(event, target, el)) {
                         this.leave(target, binding);
                     }
                 };