diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
index f63c77c8d62..ec2f7717d61 100644
--- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c
+++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
@@ -86,6 +86,7 @@ static void connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *con) {
   connector *c = (connector *)con;
   if (gpr_unref(&c->refs)) {
     /* c->initial_string_buffer does not need to be destroyed */
+    gpr_mu_destroy(&c->mu);
     grpc_handshake_manager_destroy(exec_ctx, c->handshake_mgr);
     // If handshaking is not yet in progress, destroy the endpoint.
     // Otherwise, the handshaker will do this for us.