diff --git a/scripts/build.sh b/scripts/build.sh
index 2b4dbd411..665361e69 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -17,7 +17,7 @@ GIT_DIRTY="$(test -n "`git status --porcelain`" && echo "+CHANGES" || true)"
 
 # Determine the arch/os combos we're building for
 XC_ARCH=${XC_ARCH:-"386 amd64 arm"}
-XC_OS=${XC_OS:-darwin}
+XC_OS=${XC_OS:-darwin windows linux}
 
 # Delete the old dir
 echo "==> Removing old directory..."