diff --git a/aqt/progress.py b/aqt/progress.py
index 8f9fe1f66..e3ad1c000 100644
--- a/aqt/progress.py
+++ b/aqt/progress.py
@@ -85,7 +85,7 @@ class ProgressManager:
 
         def cancel(self):
             self._closingDown = True
-            self.close()
+            self.hide()
 
         def closeEvent(self, evt):
             if self._closingDown: