Index: rhythmbox-3.4.1/plugins/replaygain/player.py
===================================================================
--- rhythmbox-3.4.1.orig/plugins/replaygain/player.py	2017-02-22 09:22:04.921287438 +0100
+++ rhythmbox-3.4.1/plugins/replaygain/player.py	2017-02-22 09:22:41.656810882 +0100
@@ -44,6 +44,7 @@
 		# make sure the replaygain elements are available
 		missing = []
 		required = ("rgvolume", "rglimiter")
+		Gst.init([]);
 		for e in required:
 			if Gst.ElementFactory.find(e) is None:
 				missing.append(e)
