diff --git a/base/smart_install.py b/base/smart_install.py
index ec30aef..dd95e09 100755
--- a/base/smart_install.py
+++ b/base/smart_install.py
@@ -226,7 +226,7 @@ def disable(mode, ui_toolkit='qt4', dialog=None, app=None, passwordObj = None):
                     dialog.init(printer_names, "", QUEUES_SMART_INSTALL_ENABLED)
                 else:   # If QT object is not created, creating QT app
                     try:
-                        from ui4.queuesconf import QueuesDiagnose
+                        from ui5.queuesconf import QueuesDiagnose
                     except ImportError:
                         log.error("Unable to load Qt4 support. Is it installed?")
                     else:       #  app = QApplication(sys.argv)   # caller needs to inoke this, if already QApplication object is not created.