diff --git a/openpype/hosts/unreal/api/tools_ui.py b/openpype/hosts/unreal/api/tools_ui.py
index bcf8dd2c508..93361c3574e 100644
--- a/openpype/hosts/unreal/api/tools_ui.py
+++ b/openpype/hosts/unreal/api/tools_ui.py
@@ -121,7 +121,7 @@ class WindowCache:
 
     @classmethod
     def _before_show(cls):
-        """Create QApplication if does not exists yet.""""
+        """Create QApplication if does not exists yet."""
         if not cls._first_show:
             return