diff --git a/CHROMIUM_BUILD_COMPATIBILITY.txt b/CHROMIUM_BUILD_COMPATIBILITY.txt
index d8b557906..de482e102 100644
--- a/CHROMIUM_BUILD_COMPATIBILITY.txt
+++ b/CHROMIUM_BUILD_COMPATIBILITY.txt
@@ -8,4 +8,5 @@
 
 {
   'release_url': 'http://src.chromium.org/svn/releases/35.0.1916.27',
+  'chromium_checkout': 'refs/tags/35.0.1916.27',
 }