diff --git a/cv4/a_train.c b/cv4/a_train.c
index 691e616..97ba3b7 100755
--- a/cv4/a_train.c
+++ b/cv4/a_train.c
@@ -54,7 +54,7 @@ struct car* clear_train(struct car* first, const char* target) {
 	while( this->next->next != NULL){
 		if(strcmp(this->next->value, target) == 0){
 			free(this->next);
-			this->next == this->next->next; 
+			this == this->next->next; 
 			return first;
 		}
 		else {
@@ -63,4 +63,3 @@ struct car* clear_train(struct car* first, const char* target) {
 	} 
 	return NULL;
 }
-