$FreeBSD$

--- src/Makefile.am.orig
+++ src/Makefile.am
@@ -1,5 +1,5 @@
 jarfile = zmq.jar
-jardir = $(datadir)/java
+jardir = $(datadir)/java/classes
 
 JZMQ_JAVA_FILES = \
 	org/zeromq/ZMQ.java