diff --git a/blackjack/blackjack.c b/blackjack/blackjack.c
index f8bdd2b..29a97aa 100644
--- a/blackjack/blackjack.c
+++ b/blackjack/blackjack.c
@@ -46,8 +46,7 @@ void shuffel (int *array, int n){
 
 	int i, j, tmp;
 
-
-	for (i=n; i>-1 ;i--){
+	for (i=n; i >= len(array) ;i--){
 		
 		if (i != 0){
 			j = rand() % i;