diff --git a/cv5/a_train.c b/cv5/a_train.c
index a4645b1..12d27bd 100644
--- a/cv5/a_train.c
+++ b/cv5/a_train.c
@@ -36,9 +36,8 @@ void cancel_train(struct car* first) {
         exit(0);
     }
     if(first->next == NULL){
-       struct car* this;
-       this = first;
-       first = this->next;
+       struct car* this = first;
+       first = first->next;
        free(this);
     }
     cancel_train(first->next);