diff --git a/cv4/a_train.c b/cv4/a_train.c
index 298bc60..53f3c94 100644
--- a/cv4/a_train.c
+++ b/cv4/a_train.c
@@ -57,7 +57,7 @@ struct car* clear_train(struct car* first, const char* target){
     struct car* temp = first;
     struct car* next = temp->next;
 
-    while(next != NULL){
+    while(temp != NULL){
         next = temp->next;
         if(!strcmp(temp->value, target))
             free(temp);