diff --git a/src/plugins/plugins.qbs b/src/plugins/plugins.qbs
index 48b0825430c..b199706481e 100644
--- a/src/plugins/plugins.qbs
+++ b/src/plugins/plugins.qbs
@@ -44,6 +44,7 @@ Project {
         "git/git.qbs",
         "gitlab/gitlab.qbs",
         "glsleditor/glsleditor.qbs",
+        "haskell/haskell.qbs",
         "helloworld/helloworld.qbs",
         "help/help.qbs",
         "imageviewer/imageviewer.qbs",