diff --git a/src/capture_filter/change_pixfmt.c b/src/capture_filter/change_pixfmt.c
index c9fbd11e0..2981233ab 100644
--- a/src/capture_filter/change_pixfmt.c
+++ b/src/capture_filter/change_pixfmt.c
@@ -107,7 +107,7 @@ static struct video_frame *filter(void *state, struct video_frame *in)
         if (s->vo_pp_out_buffer) {
                 out->tiles[0].data = s->vo_pp_out_buffer;
         } else {
-                out->tiles[0].data = malloc(out->tiles[0].data_len);
+                out->tiles[0].data = malloc(out->tiles[0].data_len + MAX_PADDING);
                 out->callbacks.data_deleter = vf_data_deleter;
         }
         out->callbacks.dispose = vf_free;