diff --git a/headers/private/kernel/lock.h b/headers/private/kernel/lock.h
index 0b0d6c758b..e7fb41359f 100644
--- a/headers/private/kernel/lock.h
+++ b/headers/private/kernel/lock.h
@@ -88,6 +88,13 @@ typedef struct rw_lock {
 #define RW_LOCK_INITIALIZER(name)			{ name, NULL, -1, 0, 0, 0 }
 
 
+#if KDEBUG
+#	define RECURSIVE_LOCK_HOLDER(recursiveLock)	((recursiveLock)->lock.holder)
+#else
+#	define RECURSIVE_LOCK_HOLDER(recursiveLock)	((recursiveLock)->holder)
+#endif
+
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/src/system/kernel/lock.cpp b/src/system/kernel/lock.cpp
index f9b2ae4b69..f2b0cc4c0b 100644
--- a/src/system/kernel/lock.cpp
+++ b/src/system/kernel/lock.cpp
@@ -43,13 +43,6 @@ struct rw_lock_waiter {
 #define RW_LOCK_FLAG_OWNS_NAME	RW_LOCK_FLAG_CLONE_NAME
 
 
-#if KDEBUG
-#	define RECURSIVE_LOCK_HOLDER(lock)	((lock)->lock.holder)
-#else
-#	define RECURSIVE_LOCK_HOLDER(lock)	((lock)->holder)
-#endif
-
-
 int32
 recursive_lock_get_recursion(recursive_lock *lock)
 {