diff --git a/contrib/osx/package.sh b/contrib/osx/package.sh
index c95d1314b3..737ea82efa 100644
--- a/contrib/osx/package.sh
+++ b/contrib/osx/package.sh
@@ -32,7 +32,11 @@ if [ "XX$VERSION" = 'XX' ]; then
   exit 1
 fi
 
-ARCH="universal"
+if [ -x /usr/bin/arch ]; then
+  ARCH=`/usr/bin/arch`
+else
+  ARCH="unknown"
+fi
 
 ## Determine OSX Version
 # map version to name