diff --git a/_webi/normalize.js b/_webi/normalize.js
index 5f05c39..8e157ab 100644
--- a/_webi/normalize.js
+++ b/_webi/normalize.js
@@ -44,7 +44,7 @@ var archMap = {
   x86: /(\b|_|amd|(dar)?win(dows)?|mac(os)?|linux|osx|x)(86|32)(\b|_)/i,
   ppc64le: /(\b|_)(ppc64le)/i,
   ppc64: /(\b|_)(ppc64)(\b|_)/i,
-  arm64: /(\b|_)((aarch|arm)64)|arm)/i,
+  arm64: /(\b|_)((aarch|arm)64|arm)/i,
   armv7l: /(\b|_)(armv?7l)/i,
   armv6l: /(\b|_)(aarch32|armv?6l)/i,
   s390x: /(\b|_)(s390x)/i