diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index feb17630a2..fe81d02601 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -1523,5 +1523,6 @@ AVCodec ff_png_decoder = {
     .init_thread_copy = ONLY_IF_THREADS_ENABLED(png_dec_init),
     .update_thread_context = ONLY_IF_THREADS_ENABLED(update_thread_context),
     .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS /*| AV_CODEC_CAP_DRAW_HORIZ_BAND*/,
+    .caps_internal  = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
 };
 #endif