diff --git a/lib/client-handshake.c b/lib/client-handshake.c
index de306a67..adcee07a 100644
--- a/lib/client-handshake.c
+++ b/lib/client-handshake.c
@@ -108,6 +108,7 @@ libwebsocket_client_connect(struct libwebsocket_context *context,
 		break;
 	case 5:
 	case 6:
+	case 7:
 		wsi->xor_mask = xor_mask_05;
 		break;
 	default:
diff --git a/lib/handshake.c b/lib/handshake.c
index bac5f7f4..46197ff0 100644
--- a/lib/handshake.c
+++ b/lib/handshake.c
@@ -670,6 +670,7 @@ libwebsocket_read(struct libwebsocket_context *context, struct libwebsocket *wsi
 			break;
 		case 5:
 		case 6:
+		case 7:
 			wsi->xor_mask = xor_mask_05;
 			debug("libwebsocket_parse calling handshake_04\n");
 			if (handshake_0405(wsi))
diff --git a/lib/parsers.c b/lib/parsers.c
index 263b36da..52386008 100644
--- a/lib/parsers.c
+++ b/lib/parsers.c
@@ -1295,6 +1295,7 @@ int libwebsocket_write(struct libwebsocket *wsi, unsigned char *buf,
 	case 4:
 	case 5:
 	case 6:
+	case 7:
 		switch (protocol & 0xf) {
 		case LWS_WRITE_TEXT:
 			n = LWS_WS_OPCODE_04__TEXT_FRAME;