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-rw-r--r--extmod/moduwebsocket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/extmod/moduwebsocket.c b/extmod/moduwebsocket.c
index eb5e20c6e..d90ee49a7 100644
--- a/extmod/moduwebsocket.c
+++ b/extmod/moduwebsocket.c
@@ -194,7 +194,7 @@ no_payload:
if (last_state == CONTROL) {
byte frame_type = self->last_flags & FRAME_OPCODE_MASK;
if (frame_type == FRAME_CLOSE) {
- static char close_resp[2] = {0x88, 0};
+ static const char close_resp[2] = {0x88, 0};
int err;
websocket_write(self_in, close_resp, sizeof(close_resp), &err);
return 0;