diff --git a/libavcodec/mpeg4video.h b/libavcodec/mpeg4video.h
index 79e1065f3e..15fe68fc2c 100644
--- a/libavcodec/mpeg4video.h
+++ b/libavcodec/mpeg4video.h
@@ -74,6 +74,7 @@ typedef struct Mpeg4DecContext {
     int t_frame;
 
     int new_pred;
+    int enhancement_type;
 
     /* bug workarounds */
     int divx_version;
diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index aa8b9de297..8a934b5b2c 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -2007,7 +2007,7 @@ no_cplx_est:
             h_sampling_factor_m = get_bits(gb, 5);
             v_sampling_factor_n = get_bits(gb, 5);
             v_sampling_factor_m = get_bits(gb, 5);
-            s->enhancement_type = get_bits1(gb);
+            ctx->enhancement_type = get_bits1(gb);
 
             if (h_sampling_factor_n == 0 || h_sampling_factor_m == 0 ||
                 v_sampling_factor_n == 0 || v_sampling_factor_m == 0) {
@@ -2445,7 +2445,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
             if (ctx->shape != RECT_SHAPE && s->pict_type != AV_PICTURE_TYPE_I)
                 skip_bits1(gb);  // vop shape coding type
         } else {
-            if (s->enhancement_type) {
+            if (ctx->enhancement_type) {
                 int load_backward_shape = get_bits1(gb);
                 if (load_backward_shape)
                     av_log(s->avctx, AV_LOG_ERROR,
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 9bec10545e..9225bebb6b 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -606,7 +606,6 @@ typedef struct MpegEncContext {
     int quant_precision;
     int quarter_sample;              ///< 1->qpel, 0->half pel ME/MC
     int scalability;
-    int enhancement_type;
     int aspect_ratio_info; //FIXME remove
     int sprite_warping_accuracy;
     int data_partitioning;           ///< data partitioning flag from header