diff --git a/sites/all-sites.styl b/sites/all-sites.styl
index 710981c..534a8a8 100644
--- a/sites/all-sites.styl
+++ b/sites/all-sites.styl
@@ -6,4 +6,4 @@
 // parent directory.  Using "stylus -r" should make this unnecessary,
 // but it doesn't.
 // Sites starting with '_' will not be included.
-@require 'sites/[^_]*.styl'
+@require 'sites/[!_]*.styl'