diff --git a/include/uc_allocation_tracker.hpp b/include/uc_allocation_tracker.hpp
index ac50d6b..00093a4 100644
--- a/include/uc_allocation_tracker.hpp
+++ b/include/uc_allocation_tracker.hpp
@@ -1,3 +1,4 @@
+#pragma once
 #include <unicorn\unicorn.h>
 
 extern int g_allocation_tracker;