diff --git a/src/video_display/dump.cpp b/src/video_display/dump.cpp
index 8afb9885b..ee12dd39c 100644
--- a/src/video_display/dump.cpp
+++ b/src/video_display/dump.cpp
@@ -173,10 +173,10 @@ static int display_dump_reconfigure(void *state, struct video_desc desc)
         s->f->decoder_overrides_data_len = is_codec_opaque(desc.color_spec) != 0 ? TRUE : FALSE;
         s->max_tile_data_len = MIN(8 * desc.width * desc.height, 1000000UL);
         for (unsigned int i = 0; i < s->f->tile_count; ++i) {
-                s->f->tiles[i].data = (char *) malloc(s->f->tiles[i].data_len);
                 if (is_codec_opaque(desc.color_spec)) {
                         s->f->tiles[i].data_len = s->max_tile_data_len;
                 }
+                s->f->tiles[i].data = (char *) malloc(s->f->tiles[i].data_len);
         }
         s->f->callbacks.data_deleter = vf_data_deleter;