diff --git a/default.xml b/default.xml
index 684242c..6d88b9a 100644
--- a/default.xml
+++ b/default.xml
@@ -4,7 +4,7 @@
   <remote  name="aosp"
            fetch=".."
            review="https://android-review.googlesource.com/" />
-  <default revision="master"
+  <default revision="refs/tags/ndk-r12-beta1"
            remote="aosp"
            sync-j="4" />