diff --git a/mozilla/client.mk b/mozilla/client.mk
index 35b6ff49ade..5dba3c8c422 100644
--- a/mozilla/client.mk
+++ b/mozilla/client.mk
@@ -205,7 +205,7 @@ LOCALES_core :=                                 \
   dom                                           \
   $(NULL)
 
-BOOTSTRAP_core :=                               \
+BOOTSTRAP_necko :=                              \
   mozilla/browser/config/version.txt            \
   mozilla/mail/config/version.txt               \
   mozilla/calendar/sunbird/config/version.txt   \