diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c
index d9755a45b2..ae810b7abd 100644
--- a/libavcodec/libdav1d.c
+++ b/libavcodec/libdav1d.c
@@ -459,6 +459,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
                                          bytestream2_get_bytes_left(&gb), &sd);
             if (res < 0)
                 return res;
+            if (!sd)
+                break;
 
             bytestream2_get_bufferu(&gb, sd->data, sd->size);
             break;