diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index bed664e7e8..94e8b579d4 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -762,8 +762,8 @@ do {                                                                    \
             planes = (desc->flags & PIX_FMT_PLANAR) ? desc->nb_components : 1;
 
             for (i = 0; i < planes; i++) {
-                int h_shift    = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
-                int plane_size = (frame->width >> h_shift) * frame->linesize[i];
+                int v_shift    = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
+                int plane_size = (frame->height >> v_shift) * frame->linesize[i];
 
                 WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
             }
diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
index 54a58fe1e9..70da5296d9 100644
--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -232,8 +232,8 @@ do {                                                                    \
         planes = (desc->flags & PIX_FMT_PLANAR) ? desc->nb_components : 1;
 
         for (i = 0; i < planes; i++) {
-            int h_shift    = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
-            int plane_size = (frame->width >> h_shift) * frame->linesize[i];
+            int v_shift    = (i == 1 || i == 2) ? desc->log2_chroma_w : 0;
+            int plane_size = (frame->height >> v_shift) * frame->linesize[i];
 
             WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
         }