diff --git a/ext/jpeg/gstjpegdec.c b/ext/jpeg/gstjpegdec.c
index f8d8a36e87..ea6756d249 100644
--- a/ext/jpeg/gstjpegdec.c
+++ b/ext/jpeg/gstjpegdec.c
@@ -1051,6 +1051,8 @@ gst_jpeg_dec_negotiate (GstJpegDec * dec, gint width, gint height, gint clrspc)
 
   gst_video_codec_state_unref (outstate);
 
+  gst_video_decoder_negotiate (GST_VIDEO_DECODER (dec));
+
   GST_DEBUG_OBJECT (dec, "max_v_samp_factor=%d", dec->cinfo.max_v_samp_factor);
   GST_DEBUG_OBJECT (dec, "max_h_samp_factor=%d", dec->cinfo.max_h_samp_factor);
 }
diff --git a/ext/libpng/gstpngdec.c b/ext/libpng/gstpngdec.c
index a7b507c35e..eefe3c98bd 100644
--- a/ext/libpng/gstpngdec.c
+++ b/ext/libpng/gstpngdec.c
@@ -330,6 +330,7 @@ gst_pngdec_caps_create_and_set (GstPngDec * pngdec)
   pngdec->output_state =
       gst_video_decoder_set_output_state (GST_VIDEO_DECODER (pngdec), format,
       width, height, pngdec->input_state);
+  gst_video_decoder_negotiate (GST_VIDEO_DECODER (pngdec));
   GST_DEBUG ("Final %d %d", GST_VIDEO_INFO_WIDTH (&pngdec->output_state->info),
       GST_VIDEO_INFO_HEIGHT (&pngdec->output_state->info));