diff --git a/lib/Makefile.am b/lib/Makefile.am
index 45d741b..36191f6 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -6,11 +6,14 @@
 SUBDIRS += csharp
 endif
 
+if ENABLE_JAVA
+SUBDIRS += java
+endif
+
 EXTRA_DIST = \
   cocoa \
   erl   \
   hs    \
-  java  \
   ocaml \
   perl  \
   php   \