diff --git a/du3/program.c b/du3/program.c
index 1b646bb..880fbc8 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -62,8 +62,8 @@ int main(){
         }
         else if (strlen(input)==1&&strchr("+-*/",input[0])){
             if (mystack.size<2){
-                printf("Nedostatok hodnot");
-                return 1;}
+                printf("not enough operands\n");
+                return 0;}
             float b=pop(&mystack);
             float a = pop(&mystack);
             float result = 0;