diff --git a/cv8/program.c b/cv8/program.c
index cf46024..1fa36c1 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -70,6 +70,10 @@ void search(struct tree* this){
             search(this->right);
 
         } 
+        else{
+            printf("Nerozumiem\n");
+            return;
+        }
 }
 
 void print_tree(struct tree* tree,int offset){