diff --git a/configure.in b/configure.in
index c80fc1302..3d5eef14b 100644
--- a/configure.in
+++ b/configure.in
@@ -180,6 +180,7 @@ src/DateHandler/Makefile
 src/gen/Makefile
 src/gen/proxy/Makefile
 src/gen/db/Makefile
+src/gen/lib/Makefile
 src/gen/utils/Makefile
 src/data/Makefile
 src/data/templates/Makefile