diff --git a/dlls/advapi32/advapi32.spec b/dlls/advapi32/advapi32.spec
index deed87a4b11..7b820ac4760 100644
--- a/dlls/advapi32/advapi32.spec
+++ b/dlls/advapi32/advapi32.spec
@@ -499,7 +499,7 @@
 @ stdcall RegOpenKeyExW(long wstr long long ptr)
 @ stdcall RegOpenKeyW(long wstr ptr)
 @ stdcall RegOpenUserClassesRoot(ptr long long ptr)
-# @ stub RegOverridePredefKey
+@ stub RegOverridePredefKey
 @ stdcall RegQueryInfoKeyA(long ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr)
 @ stdcall RegQueryInfoKeyW(long ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr ptr)
 @ stdcall RegQueryMultipleValuesA(long ptr long ptr ptr)