diff --git a/du5/program.c b/du5/program.c
index cc81817..57ea91e 100644
--- a/du5/program.c
+++ b/du5/program.c
@@ -69,7 +69,7 @@ int main(void) {
     struct Node* root = read_tree();
     if (root == NULL) {
         printf("Chybna databaza\n");
-        return 1;
+        return 0;
     }
     char sep[SIZE];
     fgets(sep, SIZE, stdin);