diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index e63a2104741fd7c346a04885df48e488ad1fd312..8940489b260019f924cee74451e303d050bb896d 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -405,7 +405,7 @@ retry:
         ret= ff_wmv2_decode_picture_header(s);
     } else if (CONFIG_MSMPEG4_DECODER && s->msmpeg4_version) {
         ret = msmpeg4_decode_picture_header(s);
-    } else if (s->h263_pred) {
+    } else if (CONFIG_MPEG4_DECODER && s->h263_pred) {
         if(s->avctx->extradata_size && s->picture_number==0){
             GetBitContext gb;
 
@@ -413,7 +413,7 @@ retry:
             ret = ff_mpeg4_decode_picture_header(s, &gb);
         }
         ret = ff_mpeg4_decode_picture_header(s, &s->gb);
-    } else if (s->codec_id == CODEC_ID_H263I) {
+    } else if (CONFIG_H263I_DECODER && s->codec_id == CODEC_ID_H263I) {
         ret = ff_intel_h263_decode_picture_header(s);
     } else if (CONFIG_FLV_DECODER && s->h263_flv) {
         ret = ff_flv_decode_picture_header(s);