diff --git a/clapper_src/player.js b/clapper_src/player.js
index 394c1c1b..ae5481a9 100644
--- a/clapper_src/player.js
+++ b/clapper_src/player.js
@@ -1,4 +1,5 @@
 const { GLib, GObject, Gst, GstPlayer } = imports.gi;
+const Debug = imports.clapper_src.debug;
 
 const GSTPLAYER_DEFAULTS = {
     position_update_interval: 1000,
@@ -6,6 +7,8 @@ const GSTPLAYER_DEFAULTS = {
     user_agent: 'clapper',
 };
 
+let { debug } = Debug;
+
 var Player = GObject.registerClass(
 class ClapperPlayer extends GstPlayer.Player
 {
@@ -37,8 +40,14 @@ class ClapperPlayer extends GstPlayer.Player
 
         let config = this.get_config();
 
-        for(let setting of Object.keys(GSTPLAYER_DEFAULTS))
-            GstPlayer.Player[`config_set_${setting}`](config, opts[setting]);
+        for(let setting of Object.keys(GSTPLAYER_DEFAULTS)) {
+            let setOption = GstPlayer.Player[`config_set_${setting}`];
+            if(!setOption) {
+                debug(`unsupported option: ${setting}`, 'LEVEL_WARNING');
+                continue;
+            }
+            setOption(config, opts[setting]);
+        }
 
         this.set_config(config);