diff --git a/build_packages b/build_packages
index baf9e0c..7b8a89a 100755
--- a/build_packages
+++ b/build_packages
@@ -32,7 +32,7 @@
   "Calculate reverse dependencies on changed ebuilds."
 DEFINE_boolean autosetgov "${FLAGS_FALSE}" \
   "Automatically set cpu governor to 'performance'."
-DEFINE_boolean use_any_chrome "${FLAGS_TRUE}" \
+DEFINE_boolean use_any_chrome "${FLAGS_FALSE}" \
   "Use any Chrome prebuilt available, even if the prebuilt doesn't match exactly."
 
 # The --board_root flag specifies the environment variables ROOT and PKGDIR.