1 files changed, 21 insertions, 17 deletions
diff --git a/ahl-binding/role.cpp b/ahl-binding/role.cpp
index b48b58e..1114973 100644
--- a/ahl-binding/role.cpp
+++ b/ahl-binding/role.cpp
@@ -206,23 +206,27 @@ void role_t::open(afb_req_t r, json_object* o)
             [](void* arg)
             {
                 role_t * role = (role_t*) arg;
-                afb_api_t api = ahl_binding_t::instance().handle();
-
-                AFB_API_DEBUG(api, "Released role %s\n", role->uid_.c_str());
-                role->opened_ = false;
-
-                // send a mute command to the HAL. We cannot reuse the do_mute function,
-                // because in the context here, the afb_req_t is no longer valid.
-                json_object* a = json_object_new_object();
-                json_object_object_add(a, "mute", json_object_new_boolean(true));
-
-                afb_api_call(
-                     api,
-                     role->hal_.c_str(),
-                     role->stream_.c_str(),
-                     a,
-                     NULL,
-                     NULL);
+
+                if (role->opened_)
+                {
+                    afb_api_t api = ahl_binding_t::instance().handle();
+
+                    AFB_API_DEBUG(api, "Released role %s\n", role->uid_.c_str());
+                    role->opened_ = false;
+
+                    // send a mute command to the HAL. We cannot reuse the do_mute function,
+                    // because in the context here, the afb_req_t is no longer valid.
+                    json_object* a = json_object_new_object();
+                    json_object_object_add(a, "mute", json_object_new_boolean(true));
+
+                    afb_api_call(
+                        api,
+                        role->hal_.c_str(),
+                        role->stream_.c_str(),
+                        a,
+                        NULL,
+                        NULL);
+                }
             }
         );
         opened_ = true;