diff --git a/offlineimap/folder/Base.py b/offlineimap/folder/Base.py
index 366570d..a236966 100644
--- a/offlineimap/folder/Base.py
+++ b/offlineimap/folder/Base.py
@@ -1139,7 +1139,7 @@ class BaseFolder:
                 break
             try:
                 action(dstfolder, statusfolder)
-            except (KeyboardInterrupt):
+            except KeyboardInterrupt:
                 raise
             except OfflineImapError as e:
                 if e.severity > OfflineImapError.ERROR.FOLDER: