diff --git a/Lab51.cpp b/Lab51.cpp
index 518f68b..a2648fc 100644
--- a/Lab51.cpp
+++ b/Lab51.cpp
@@ -2,7 +2,7 @@
 //
 
 #include "framework.h"
-#include "Lab52.h"
+#include "Lab53.h"
 
 #define MAX_LOADSTRING 100