diff --git a/include/debugmacro.h b/include/debugmacro.h
index d91244a..1365fba 100644
--- a/include/debugmacro.h
+++ b/include/debugmacro.h
@@ -1,9 +1,12 @@
 #pragma once
+#include <string.h>
+
+#define __FILENAME__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
 
 #ifdef _DEBUG
 #define DEBUG_MSG(str) \
     do { std::cerr \
-        << __FILE__ <<":" << __LINE__ << ":" << __func__ << "(): " \
+        << __FILENAME__ <<":" << __LINE__ << ":" << __func__ << "(): " \
         << str << std::endl; } while( false )
 #else
 #define DEBUG_MSG(str) do { } while ( false )