diff --git a/core/main.cxx b/core/main.cpp
similarity index 78%
rename from core/main.cxx
rename to core/main.cpp
index 52351e4..cc6e81d 100755
--- a/core/main.cxx
+++ b/core/main.cpp
@@ -1,3 +1,5 @@
+#include <WProgram.h>
+
 int main(void)
 {
 	init();