diff --git a/ext/vp8/gstvp8enc.c b/ext/vp8/gstvp8enc.c
index 85223cb80d..22d8ac82d3 100644
--- a/ext/vp8/gstvp8enc.c
+++ b/ext/vp8/gstvp8enc.c
@@ -941,6 +941,8 @@ gst_vp8_enc_set_format (GstVideoEncoder * video_encoder,
       gst_video_encoder_set_output_state (video_encoder, caps, state);
   gst_video_codec_state_unref (output_state);
 
+  gst_video_encoder_negotiate (GST_VIDEO_ENCODER (encoder));
+
   return ret;
 }