diff --git a/config.in b/config.in
index 986ec22..947079b 100644
--- a/config.in
+++ b/config.in
@@ -3,6 +3,7 @@
 for x in VSERVER=1 \
 	LIBC=glibc \
 	DEVELOPMENT=0 \
+	HAPROXY=1 \
 	; do
 	eval SDECFGSET_TRG_MNEMOSYNE_$x
 done