diff --git a/python/tk_multi_publish2/api/plugins/publish_plugin_instance.py b/python/tk_multi_publish2/api/plugins/publish_plugin_instance.py
index 9c58f5c7..0381f149 100644
--- a/python/tk_multi_publish2/api/plugins/publish_plugin_instance.py
+++ b/python/tk_multi_publish2/api/plugins/publish_plugin_instance.py
@@ -154,7 +154,7 @@ def run_accept(self, item):
             )
             return {"accepted": False}
         finally:
-            if not sgtk.platform.current_engine().has_ui:
+            if sgtk.platform.current_engine().has_ui:
                 from sgtk.platform.qt import QtCore
 
                 QtCore.QCoreApplication.processEvents()