diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c
index ab33cdb..4b31601 100644
--- a/libavcodec/cbs_h2645.c
+++ b/libavcodec/cbs_h2645.c
@@ -871,6 +871,9 @@
         }
         break;
 
+    case H264_NAL_END_SEQUENCE:
+        return 0;
+
     default:
         return AVERROR(ENOSYS);
     }