diff --git a/cv5/a_train.c b/cv5/a_train.c
index 1fc089a..39ef51b 100644
--- a/cv5/a_train.c
+++ b/cv5/a_train.c
@@ -87,8 +87,8 @@ struct car* clear_train(struct car* first, const char* target) {
                 struct car* prev = NULL;
                 if(first == this){
                     first = this->next;
-                    this->next = NULL;
                     free(this);
+                    this->next = NULL;
                     return first;
                 }
                 while(curr != this){