diff --git a/client/ayon_core/tools/loader/ui/window.py b/client/ayon_core/tools/loader/ui/window.py
index 047c6fb159..d056b62b13 100644
--- a/client/ayon_core/tools/loader/ui/window.py
+++ b/client/ayon_core/tools/loader/ui/window.py
@@ -349,7 +349,10 @@ class LoaderWindow(QtWidgets.QWidget):
         self._reset_on_show = True
 
     def keyPressEvent(self, event):
-        combination = event.keyCombination()
+        if hasattr(event, "keyCombination"):
+            combination = event.keyCombination()
+        else:
+            combination = QtGui.QKeySequence(event.modifiers() | event.key())
         if (
             FIND_KEY_SEQUENCE == combination
             and not event.isAutoRepeat()