diff --git a/du6/program.c b/du6/program.c
index ca5a53a..7e93f0a 100644
--- a/du6/program.c
+++ b/du6/program.c
@@ -95,7 +95,7 @@ void run_system(Tree *node) {
     } else if (c == 'n') {
         run_system(node->right);
     } else {
-        printf("Koniec vstupu\n");
+        printf("Nerozumiem\n");
     }
 }