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-rw-r--r--src/engine/e_protocol.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/engine/e_protocol.h b/src/engine/e_protocol.h
index 0e8a63f4..65d76350 100644
--- a/src/engine/e_protocol.h
+++ b/src/engine/e_protocol.h
@@ -46,6 +46,8 @@ enum
 	NETMSG_CMD,
 	
 	/* sent by both */
+	NETMSG_PING,
+	NETMSG_PING_REPLY,
 	NETMSG_ERROR
 };