diff --git a/cura/Utils/Threading.py b/cura/Utils/Threading.py
index 3cd6200513..c57a452b72 100644
--- a/cura/Utils/Threading.py
+++ b/cura/Utils/Threading.py
@@ -31,4 +31,10 @@ def call_on_qt_thread(func):
         CuraApplication.getInstance().callLater(_handle_call, *new_args, **kwargs)
         inter_call_object.finish_event.wait()
         return inter_call_object.result
+
+    # If the current thread is the main thread, which is the Qt thread, directly return the function.
+    current_thread = threading.current_thread()
+    if isinstance(current_thread, threading._MainThread):
+        return func
+
     return _call_on_qt_thread_wrapper