diff --git a/lib/server.js b/lib/server.js
index 233946d..ca0659b 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -473,7 +473,7 @@ Server.prototype._handlePublishCameraAccessories = function(accessories) {
     var advertiseAddress = mac.generate(accessory.UUID);
 
     if (this._publishedCameras[advertiseAddress]) {
-      throw new Error("Camera accessory %s experienced an address collision.", accessory.displayName);
+      throw new Error("Camera accessory " + accessory.displayName + " experienced an address collision.");
     } else {
       this._publishedCameras[advertiseAddress] = accessory;
     }