diff --git a/libavcodec/vdpau_mpeg4.c b/libavcodec/vdpau_mpeg4.c
index 2a036b61dd..9141becd9f 100644
--- a/libavcodec/vdpau_mpeg4.c
+++ b/libavcodec/vdpau_mpeg4.c
@@ -119,6 +119,9 @@ static int vdpau_mpeg4_init(AVCodecContext *avctx)
     case FF_PROFILE_MPEG4_SIMPLE:
         profile = VDP_DECODER_PROFILE_MPEG4_PART2_SP;
         break;
+    // As any ASP decoder must be able to decode SP, this
+    // should be a safe fallback if profile is unknown/unspecified.
+    case FF_PROFILE_UNKNOWN:
     case FF_PROFILE_MPEG4_ADVANCED_SIMPLE:
         profile = VDP_DECODER_PROFILE_MPEG4_PART2_ASP;
         break;