diff --git a/src/examples/media-session/default-profile.c b/src/examples/media-session/default-profile.c
index 3379ed5e0..f7e22762a 100644
--- a/src/examples/media-session/default-profile.c
+++ b/src/examples/media-session/default-profile.c
@@ -314,9 +314,10 @@ static int handle_profile(struct device *dev)
 			return 0;
 
 		dev->active_profile = pr.index;
-		pw_log_info("device '%s': active profile changed to '%s'", dev->name, pr.name);
-		pw_properties_setf(impl->properties, dev->key, "{ \"name\": \"%s\" }", pr.name);
-		add_idle_timeout(impl);
+		if (pw_properties_setf(impl->properties, dev->key, "{ \"name\": \"%s\" }", pr.name)) {
+			pw_log_info("device '%s': active profile changed to '%s'", dev->name, pr.name);
+			add_idle_timeout(impl);
+		}
 	}
 	return 0;
 }
diff --git a/src/examples/media-session/default-routes.c b/src/examples/media-session/default-routes.c
index 6a3b9b1e1..d7d658547 100644
--- a/src/examples/media-session/default-routes.c
+++ b/src/examples/media-session/default-routes.c
@@ -412,10 +412,11 @@ static int handle_route(struct device *dev, struct route *r)
 		restore_route(dev, val, r->index, r->device_id);
 	} else if (r->props) {
 		char *val = serialize_props(dev, r->props);
-		pw_log_info("device %d: route properties changed %s %s", dev->id, key, val);
-		pw_properties_set(impl->to_restore, key, val);
+		if (pw_properties_set(impl->to_restore, key, val)) {
+			pw_log_info("device %d: route properties changed %s %s", dev->id, key, val);
+			add_idle_timeout(impl);
+		}
 		free(val);
-		add_idle_timeout(impl);
 		i->generation = dev->generation;
 	}
 	return 0;