diff --git a/metainfo.yaml b/metainfo.yaml
index 8a9ed2587..a68cdaafa 100644
--- a/metainfo.yaml
+++ b/metainfo.yaml
@@ -9,6 +9,7 @@ release: true
 public_lib: true
 public_source_dirs:
         - core
+        - interfaces
         - Mainpage.dox 
 logo: ui/data/icons/128-apps-okular.png
 irc: okular