diff --git a/lib/Makefile.am b/lib/Makefile.am
index 8538afa..3b4c8ba 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -33,6 +33,9 @@
 
 if WITH_JAVA
 SUBDIRS += java
+# JavaScript unit test depends on java
+# so test only if java, ant & co is available
+SUBDIRS += js/test
 endif
 
 if WITH_PYTHON