diff --git a/src/preferences/bluetooth/bluetooth-pref.rdef b/src/preferences/bluetooth/bluetooth-pref.rdef
index aa514330b2..01920b803a 100644
--- a/src/preferences/bluetooth/bluetooth-pref.rdef
+++ b/src/preferences/bluetooth/bluetooth-pref.rdef
@@ -2,7 +2,7 @@
  * bluetooth_pref.rdef
  */
 
-resource app_signature "application/x-vnd.Be-bluetooth_pref";
+resource app_signature "application/x-vnd.haiku-BluetoothPrefs";
 
 resource app_flags B_SINGLE_LAUNCH;