diff --git a/extension/content-script.js b/extension/content-script.js
--- a/extension/content-script.js
+++ b/extension/content-script.js
@@ -682,9 +682,17 @@
                     // Call the original native implementation
                     // "call()" is needed as the real setActionHandler is a class member
                     // and calling it directly is illegal as it lacks the context
-                    // We'll register the callback for ourself after this since it may
-                    // throw for unsupported callback names.
-                    var ret = oldSetActionHandler.call(navigator.mediaSession, name, cb);
+                    // The browser throws for unsupported callback names but we might
+                    // still be able to handle it
+                    if (!["play", "pause", "seekbackward", "seekforward", "previoustrack", "nexttrack", "skipad", "stop"].includes(name)) {
+                        throw new TypeError("Failed to execute 'setActionHandler' on 'MediaSession': The provided value '" + name + "' is not a valid enum value of type MediaSessionAction.");
+                    }
+
+                    try {
+                        var ret = oldSetActionHandler.call(navigator.mediaSession, name, cb);
+                    } catch (e) {
+                        console.warn("Failed to register media session callback", name, "with the browser:", e);
+                    }
 
                     if (cb) {
                         ${mediaSessionsClassName}.callbacks[name] = cb;