diff --git a/du4/snake.c b/du4/snake.c
index abe7579..9a33b74 100644
--- a/du4/snake.c
+++ b/du4/snake.c
@@ -36,16 +36,12 @@ struct snake* remove_snake(struct snake* snake){
 
 void free_snake(struct snake* sn){
 
-    if (sn == NULL) return;
-
-    struct snake* clanok = sn; //idem pozerat kde su clanky
-
-    do {
-        clanok = sn;//nacitam aktualny clanok
+    while (sn != NULL) {
+        struct snake* clanok = sn; //idem pozerat kde su clanky a nacitam aktualny clanok
         sn = sn -> next;//posuniem sa o clanok
         free(clanok);//vycistim staru ulozenu poziciu
-    } while (sn -> next != NULL);
-    free(clanok -> next);
+    } 
+    
 }
 
 int is_snake(struct snake* snake,int x,int y){