diff --git a/cv9/snake.c b/cv9/snake.c
index 8237939..b33b25f 100644
--- a/cv9/snake.c
+++ b/cv9/snake.c
@@ -13,7 +13,10 @@ struct snake* add_snake(struct snake* snake,int x,int y){
 }
 
 struct snake* remove_snake(struct snake* snake){
-
+    if (snake == NULL) {
+        return NULL; 
+    }
+    
     struct snake* nova_hlavicka = snake->next;
     free(snake);