diff --git a/test/Makefile.am b/test/Makefile.am
index 7256f21..86b0067 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -27,6 +27,9 @@
 SUBDIRS += rb
 endif
 
+if WITH_HASKELL
+SUBDIRS += hs
+endif
 
 EXTRA_DIST = \
 	cpp \