diff --git a/du2/program b/du2/program
index 75e2879..6aecb61 100755
Binary files a/du2/program and b/du2/program differ
diff --git a/du2/program.c b/du2/program.c
index 86e73d1..8e62cad 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -16,6 +16,8 @@ int main(){
 			/*if(max < results[i])
 				max = results[i];*/
 			i++;
+		}else if(i == 0){
+			printf("Chyba: Málo platných hodnôt.\n");
 		}else{
 			break;
 		}