diff --git a/olcExampleProgram.cpp b/olcExampleProgram.cpp
index 2f1dc48..c9f3588 100644
--- a/olcExampleProgram.cpp
+++ b/olcExampleProgram.cpp
@@ -1,3 +1,4 @@
+#define OLC_PGE_APPLICATION
 #include "olcPixelGameEngine.h"
 
 class Example : public olc::PixelGameEngine