diff --git a/du1/program.c b/du1/program.c
index 721090f..995163e 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -13,7 +13,7 @@ int main() {
         int r = scanf("%d", &value);
 	 if(i == 0 && value < 0) {
             printf("Chyba: Málo platných hodnôt.\n");
-            return 1;
+            return 0;
         }
         if(r > 0 && value > 0) {
             pole[i] = value;