diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000000..56e41e8ab922
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "waterfox/browser/locales"]
+	path = waterfox/browser/locales
+	url = git@github.com:BrowserWorks/l10n.git
diff --git a/waterfox/browser/locales b/waterfox/browser/locales
new file mode 160000
index 000000000000..b74025dfadf7
--- /dev/null
+++ b/waterfox/browser/locales
@@ -0,0 +1 @@
+Subproject commit b74025dfadf7b00590bf1a9966a98470db5bb460