diff --git a/kernel/model/flashcard.go b/kernel/model/flashcard.go
index 00d0c39ac..9cc7a7f60 100644
--- a/kernel/model/flashcard.go
+++ b/kernel/model/flashcard.go
@@ -52,6 +52,9 @@ func ResetFlashcards(typ, id, deckID string, blockIDs []string) {
 						break
 					}
 				}
+				if "" == deckID {
+					continue
+				}
 				resetFlashcards(deckID, blockIDs)
 			}
 			return