diff --git a/stepmania/src/archutils/Xbox/arch_setup.cpp b/stepmania/src/archutils/Xbox/arch_setup.cpp
index 22c44c8c70..3cbe9cc32f 100644
--- a/stepmania/src/archutils/Xbox/arch_setup.cpp
+++ b/stepmania/src/archutils/Xbox/arch_setup.cpp
@@ -1,5 +1,6 @@
 #include "global.h"
 
+int main( int argc, char* argv[] );
 void __cdecl main()
 {
 	int argc = 1;