diff --git a/libobs/obs-scene.c b/libobs/obs-scene.c
index 29fc6b011..3925a9f71 100644
--- a/libobs/obs-scene.c
+++ b/libobs/obs-scene.c
@@ -263,7 +263,10 @@ int obs_sceneitem_destroy(obs_sceneitem_t item)
 	int ref = 0;
 
 	if (item) {
+		pthread_mutex_lock(&item->parent->mutex);
 		detach_sceneitem(item);
+		pthread_mutex_unlock(&item->parent->mutex);
+
 		if (item->source)
 			ref = obs_source_release(item->source);
 		bfree(item);
diff --git a/libobs/obs-scene.h b/libobs/obs-scene.h
index 14baf4f69..3c9e9ffcc 100644
--- a/libobs/obs-scene.h
+++ b/libobs/obs-scene.h
@@ -32,7 +32,7 @@ struct obs_scene_item {
 	struct vec2           scale;
 	float                 rot;
 
-	/* would do **prev_next, but not really great for resorting */
+	/* would do **prev_next, but not really great for reordering */
 	struct obs_scene_item *prev;
 	struct obs_scene_item *next;
 };