diff --git a/lib/puppet-strings.rb b/lib/puppet-strings.rb
index f17ad6e1c..6023154c0 100644
--- a/lib/puppet-strings.rb
+++ b/lib/puppet-strings.rb
@@ -7,7 +7,7 @@ module PuppetStrings
     types/**/*.pp
     lib/**/*.rb
     tasks/*.json
-    plans/*.pp
+    plans/**/*.pp
   ).freeze
 
   # Generates documentation.