diff --git a/cv5/a_train.c b/cv5/a_train.c
index 7d01f99..df864c0 100644
--- a/cv5/a_train.c
+++ b/cv5/a_train.c
@@ -84,7 +84,9 @@ struct car* clear_train(struct car* first, const char* target) {
             while(this != NULL){
                 int x = strcmp(this->value, target);
                 if(x == 0){
-                    free(this->next);   
+                    this->next = NULL;
+                    //free(this->next); 
+                      
                     return first;    
                 }
                 this = this->next;