diff --git a/source/blender/blenkernel/BKE_sequencer.h b/source/blender/blenkernel/BKE_sequencer.h
index f89a2d631ac..a50f9b24c61 100644
--- a/source/blender/blenkernel/BKE_sequencer.h
+++ b/source/blender/blenkernel/BKE_sequencer.h
@@ -369,7 +369,7 @@ bool BKE_sequencer_cache_is_full(struct Scene *scene);
  * ********************************************************************** */
 
 void BKE_sequencer_prefetch_start(const SeqRenderData *context, float cfra, float cost);
-void BKE_sequencer_prefetch_stop_all();
+void BKE_sequencer_prefetch_stop_all(void);
 void BKE_sequencer_prefetch_stop(struct Scene *scene);
 void BKE_sequencer_prefetch_free(struct Scene *scene);
 bool BKE_sequencer_prefetch_need_redraw(struct Main *bmain, struct Scene *scene);