diff --git a/ankiqt/ui/importing.py b/ankiqt/ui/importing.py
index 19f36bbfc..9724c56aa 100644
--- a/ankiqt/ui/importing.py
+++ b/ankiqt/ui/importing.py
@@ -220,3 +220,8 @@ class ImportDialog(QDialog):
             pass
         self.mapping[n] = f
         self.showMapping(keepMapping=True)
+
+    def reject(self):
+        print "deinit"
+        self.modelChooser.deinit()
+        QDialog.reject(self)