diff --git a/python/servo/util.py b/python/servo/util.py
index ad55d6b3f79..b839d9e2ca2 100644
--- a/python/servo/util.py
+++ b/python/servo/util.py
@@ -67,6 +67,8 @@ def host_triple():
         cpu_type = "x86_64"
     elif cpu_type == "arm":
         cpu_type = "arm"
+    elif cpu_type == "aarch64":
+        cpu_type = "aarch64"
     else:
         cpu_type = "unknown"