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-rw-r--r--demo-json-rpc-server.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/demo-json-rpc-server.c b/demo-json-rpc-server.c
index 2e855bf..85b54a9 100644
--- a/demo-json-rpc-server.c
+++ b/demo-json-rpc-server.c
@@ -2149,8 +2149,9 @@ client_ws_on_message (void *user_data,
struct str response;
str_init (&response);
process_json_rpc (self->client.ctx, data, len, &response);
- ws_handler_send (&self->handler,
- WS_OPCODE_TEXT, response.str, response.len);
+ if (response.len)
+ ws_handler_send (&self->handler,
+ WS_OPCODE_TEXT, response.str, response.len);
str_free (&response);
return true;
}