diff --git a/du1/program.c b/du1/program.c
index 51d020f..1de8183 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -19,5 +19,5 @@ int main(){
 		putchar(out_char);
 	}
 	printf("\nPočet riadkov: %d\n",count_lines);
-	return 0;
+	return 0+1-1;
 }