1 files changed, 1 insertions, 0 deletions
diff --git a/devel/Makefile b/devel/Makefile
index 41cd19a13e64..b1f6314a8833 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -570,6 +570,7 @@
     SUBDIR += hs-Boolean
     SUBDIR += hs-DeepArrow
     SUBDIR += hs-HUnit
+    SUBDIR += hs-MaybeT
     SUBDIR += hs-MemoTrie
     SUBDIR += hs-MissingH
     SUBDIR += hs-MonadCatchIO-mtl