diff --git a/du3/program.c b/du3/program.c
index e7ffc9f..d91e86d 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -69,14 +69,14 @@ int main() {
                 break;
             case '/':
                 if (b == 0) {
-                    printf ("CHYBA\n");
+                    printf ("ZLE\n");
                     continue;
                 }
                 vysledok = a / b;
                 break;
             
             default:
-                printf ("ZLE\n");
+                printf ("CHYBA\n");
                 continue;
         }