--- config.mk.in.orig	2020-01-06 19:19:46 UTC
+++ config.mk.in
@@ -12,7 +12,7 @@ prefix = @prefix@
 exec_prefix= @exec_prefix@
 includedir = @includedir@
 libdir = @libdir@
-javadir = ${exec_prefix}/java
+javadir = ${exec_prefix}/share/java/classes
 dotnetdir = $(libdir)
 libexecdir = @libexecdir@/$(SQLRELAY)
 bindir = @bindir@