diff --git a/du5/program.c b/du5/program.c
index 6859c86..8dbcecf 100644
--- a/du5/program.c
+++ b/du5/program.c
@@ -55,11 +55,12 @@ int main()
     }
     else if (answer == '0')
     {
-        printf("Nerozumiem\n");
+        printf("Koniec vstupu\n");
     }
     else
     {
-        printf("Koniec vstupu\n");
+        printf("Nerozumiem\n");
+        err = true;
     }
     if (!err) { printf("Koniec\n"); }