diff --git a/moz.build b/moz.build
index fbec04108cc3c..856b2ff2d0189 100644
--- a/moz.build
+++ b/moz.build
@@ -218,3 +218,5 @@ SPHINX_TREES["mots"] = "docs/mots"
 SPHINX_TREES["update-infrastructure"] = "docs/update-infrastructure"
 
 include("build/templates.mozbuild")
+
+DIRS += ["snowleopard"]