diff --git a/lib/linguist/vendor.yml b/lib/linguist/vendor.yml
index 2bc71b72..1e020a9d 100644
--- a/lib/linguist/vendor.yml
+++ b/lib/linguist/vendor.yml
@@ -31,7 +31,7 @@
 - ^rebar$
 
 # Bootstrap minified css and js
-- (^|/)bootstrap([^.]*)(\.min)\.(js|css)$
+- (^|/)bootstrap([^.]*)(\.min)?\.(js|css)$
 
 # Vendored dependencies
 - thirdparty/