diff --git a/src/kits/device/JoystickTweaker.cpp b/src/kits/device/JoystickTweaker.cpp
index 5eeaf064df..748d2f418a 100644
--- a/src/kits/device/JoystickTweaker.cpp
+++ b/src/kits/device/JoystickTweaker.cpp
@@ -65,7 +65,7 @@ _BJoystickTweaker::save_config(const entry_ref *ref)
 
 status_t
 _BJoystickTweaker::scan_including_disabled(const char* rootPath, BList *list,
-						BEntry *rootEntry = NULL)
+						BEntry *rootEntry)
 {
 	BDirectory root;