diff --git a/lib/java/Makefile b/lib/java/Makefile
index 697fd803d86bac15614e285084eab70703e8dca3..86a594423acae1def178c61120fbf4a0c9ad45ef 100644
--- a/lib/java/Makefile
+++ b/lib/java/Makefile
@@ -10,6 +10,7 @@ MODULES=Constant \
 	SampleDispatcher \
 	SampleHandler \
 	SampleType \
+	BuiltinType \
 	TypeDef \
 	TypeBinding \
 	TypeDefParser \