diff --git a/weed/filer/filerstore_wrapper.go b/weed/filer/filerstore_wrapper.go
index cc3e58363..986dadb77 100644
--- a/weed/filer/filerstore_wrapper.go
+++ b/weed/filer/filerstore_wrapper.go
@@ -303,7 +303,7 @@ func (fsw *FilerStoreWrapper) prefixFilterEntries(ctx context.Context, dirPath u
 				}
 			}
 		}
-		if count < limit && lastFileName <= prefix {
+		if count < limit && lastFileName < prefix {
 			notPrefixed = notPrefixed[:0]
 			lastFileName, err = actualStore.ListDirectoryEntries(ctx, dirPath, lastFileName, false, limit, func(entry *Entry) bool {
 				notPrefixed = append(notPrefixed, entry)