diff --git a/cv5/a_train.c b/cv5/a_train.c
index 110088b..baf7e72 100644
--- a/cv5/a_train.c
+++ b/cv5/a_train.c
@@ -72,6 +72,7 @@ struct car* clear_train(struct car* first, const char* target) {
                     prev = prev->next;
                     if(prev != NULL){
                         node = prev->next;
+                        return 0;
                     }
                 }
             }