diff --git a/bacnet-stack/demo/server/Makefile b/bacnet-stack/demo/server/Makefile
index 65cdd67d..e20e1f68 100644
--- a/bacnet-stack/demo/server/Makefile
+++ b/bacnet-stack/demo/server/Makefile
@@ -10,8 +10,8 @@ BASEDIR = .
 # Configure the BACnet Datalink Layer
 #BACDL_DEFINE = -DBACDL_ETHERNET=1
 #BACDL_DEFINE = -DBACDL_ARCNET=1
-BACDL_DEFINE = -DBACDL_MSTP=1
-#BACDL_DEFINE = -DBACDL_BIP=1 -DBIP_DEBUG
+#BACDL_DEFINE = -DBACDL_MSTP=1
+BACDL_DEFINE = -DBACDL_BIP=1 -DBIP_DEBUG
 BACNET_DEFINES = -DBACFILE=1 -DPRINT_ENABLED=1 -DBIG_ENDIAN=0
 DEFINES = $(BACNET_DEFINES) $(BACDL_DEFINE)