diff --git a/cross-make-mingw64.sh b/cross-make-mingw64.sh
index 5ea627ea..97f68943 100755
--- a/cross-make-mingw64.sh
+++ b/cross-make-mingw64.sh
@@ -11,6 +11,6 @@ then
 fi
 
 export PLATFORM=mingw32
-export ARCH=x86_64
+export ARCH=x64
 
 exec make $*