diff --git a/sys/applemedia/vtenc.c b/sys/applemedia/vtenc.c
index 644f93dddb..a090df7e1f 100644
--- a/sys/applemedia/vtenc.c
+++ b/sys/applemedia/vtenc.c
@@ -458,8 +458,11 @@ gst_vtenc_create_session (GstVTEnc * self)
       self, &session);
   GST_INFO_OBJECT (self, "VTCompressionSessionCreate for %d x %d => %d",
       self->negotiated_width, self->negotiated_height, (int) status);
-  if (status != noErr)
+  if (status != noErr) {
+    GST_ERROR_OBJECT (self, "VTCompressionSessionCreate() returned: %d",
+        (int) status);
     goto beach;
+  }
 
   if (self->dump_properties) {
     gst_vtenc_session_dump_properties (self, session);
@@ -490,6 +493,13 @@ gst_vtenc_create_session (GstVTEnc * self)
   gst_vtenc_session_configure_bitrate (self, session,
       gst_vtenc_get_bitrate (self));
 
+  status = VTCompressionSessionPrepareToEncodeFrames (session);
+  if (status != noErr) {
+    GST_ERROR_OBJECT (self,
+        "VTCompressionSessionPrepareToEncodeFrames() returned: %d",
+        (int) status);
+  }
+
 beach:
   CFRelease (pb_attrs);