diff --git a/mopidy/audio/scan.py b/mopidy/audio/scan.py
index bb778dc1..389b7360 100644
--- a/mopidy/audio/scan.py
+++ b/mopidy/audio/scan.py
@@ -104,7 +104,7 @@ def _pad_added(element, pad, pipeline):
     sink.sync_state_with_parent()
     pad.link(sink.get_pad('sink'))
 
-    if pad.get_caps().is_subset(_RAW_AUDIO):
+    if pad.query_caps().is_subset(_RAW_AUDIO):
         struct = Gst.Structure('have-audio')
         element.get_bus().post(Gst.message_new_application(element, struct))