diff --git a/gst/audiofx/audiopanorama.c b/gst/audiofx/audiopanorama.c
index 89b57e2b3f..984459cadd 100644
--- a/gst/audiofx/audiopanorama.c
+++ b/gst/audiofx/audiopanorama.c
@@ -333,15 +333,15 @@ gst_audio_panorama_transform_caps (GstBaseTransform * base,
   for (i = 0; i < gst_caps_get_size (res); i++) {
     structure = gst_caps_get_structure (res, i);
     if (direction == GST_PAD_SRC) {
-      GST_INFO ("allow 1-2 channels");
+      GST_INFO_OBJECT (base, "[%d] allow 1-2 channels", i);
       gst_structure_set (structure, "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
       gst_structure_remove_field (structure, "channel-mask");
     } else {
-      GST_INFO ("allow 2 channels");
+      GST_INFO_OBJECT (base, "[%d] allow 2 channels", i);
       gst_structure_set (structure, "channels", G_TYPE_INT, 2, NULL);
-      gst_structure_remove_field (structure, "channel-mask");
     }
   }
+  GST_DEBUG_OBJECT (base, "transformed %" GST_PTR_FORMAT, res);
 
   if (filter) {
     GstCaps *intersection;