diff --git a/du1/program.c b/du1/program.c
index 6d98b6b..8fb6f47 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -18,7 +18,7 @@ int main() {
 
     if (count == 0) {
         printf("Chyba: Málo platných hodnôt.\n");
-        return 1;
+        return 0;
     }
 
     for (int i = 0; i < count; i++) {