diff --git a/reactos/ntoskrnl/cm/regfile.c b/reactos/ntoskrnl/cm/regfile.c
index 6c063a8a2fc..be516479a3e 100644
--- a/reactos/ntoskrnl/cm/regfile.c
+++ b/reactos/ntoskrnl/cm/regfile.c
@@ -2280,7 +2280,7 @@ CmiScanForSubKey(IN PREGISTRY_HIVE ParentKeyRegistryHive,
 
   DPRINT("Scanning for sub key %wZ\n", KeyName);
 
-//  assert(RegistryHive);
+  assert(ParentKeyRegistryHive);
 
   *SubKeyCell = NULL;