diff --git a/backend/internal/service/admin_service.go b/backend/internal/service/admin_service.go
index 473396611..461cce390 100644
--- a/backend/internal/service/admin_service.go
+++ b/backend/internal/service/admin_service.go
@@ -1257,10 +1257,10 @@ func (s *adminServiceImpl) UpdateAccount(ctx context.Context, id int64, input *U
 	if input.Notes != nil {
 		account.Notes = normalizeAccountNotes(input.Notes)
 	}
-	if len(input.Credentials) > 0 {
+	if input.Credentials != nil {
 		account.Credentials = input.Credentials
 	}
-	if len(input.Extra) > 0 {
+	if input.Extra != nil {
 		account.Extra = input.Extra
 	}
 	if input.ProxyID != nil {