diff --git a/includes/kore.h b/includes/kore.h
index 578ccd3..aa83022 100644
--- a/includes/kore.h
+++ b/includes/kore.h
@@ -151,7 +151,7 @@ TAILQ_HEAD(netbuf_head, netbuf);
 #define WEBSOCKET_OP_BINARY	0x02
 #define WEBSOCKET_OP_CLOSE	0x08
 #define WEBSOCKET_OP_PING	0x09
-#define WEBSOCKET_OP_PONG	0x10
+#define WEBSOCKET_OP_PONG	0x0a
 
 #define WEBSOCKET_BROADCAST_LOCAL	1
 #define WEBSOCKET_BROADCAST_GLOBAL	2