diff --git a/script/build b/script/build
index 115faf1ea1..c57acbd9f3 100755
--- a/script/build
+++ b/script/build
@@ -8,7 +8,7 @@ else
 fi
 
 if [ -z "$2" ]; then
-    OS_ARCH_ARG=(-arch="386 amd64")
+    OS_ARCH_ARG=(-arch="386 amd64 arm")
 else
     OS_ARCH_ARG=($2)
 fi