diff --git a/lib/Makefile.am b/lib/Makefile.am
index 36191f6..5d2e1fa 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -10,6 +10,10 @@
 SUBDIRS += java
 endif
 
+if ENABLE_ERLANG
+SUBDIRS += erl
+endif
+
 EXTRA_DIST = \
   cocoa \
   erl   \