diff --git a/mopidy/audio/actor.py b/mopidy/audio/actor.py
index 4d57e86e..92abe4bc 100644
--- a/mopidy/audio/actor.py
+++ b/mopidy/audio/actor.py
@@ -721,7 +721,7 @@ class Audio(pykka.ThreadingActor):
         gst_logger.debug('State change to %s: result=%s', state.value_name,
                          result.value_name)
 
-        if result == Gst.State.CHANGE_FAILURE:
+        if result == Gst.StateChangeReturn.FAILURE:
             logger.warning(
                 'Setting GStreamer state to %s failed', state.value_name)
             return False
diff --git a/mopidy/audio/scan.py b/mopidy/audio/scan.py
index 0518da8b..7cc5b1e5 100644
--- a/mopidy/audio/scan.py
+++ b/mopidy/audio/scan.py
@@ -108,7 +108,8 @@ def _pad_added(element, pad, pipeline):
 
 
 def _start_pipeline(pipeline):
-    if pipeline.set_state(Gst.State.PAUSED) == Gst.State.CHANGE_NO_PREROLL:
+    result = pipeline.set_state(Gst.State.PAUSED)
+    if result == Gst.StateChangeReturn.NO_PREROLL:
         pipeline.set_state(Gst.State.PLAYING)