diff --git a/dlls/advapi32/advapi32.spec b/dlls/advapi32/advapi32.spec
index f432122b855..8684ccfc566 100644
--- a/dlls/advapi32/advapi32.spec
+++ b/dlls/advapi32/advapi32.spec
@@ -250,7 +250,7 @@
 @ stdcall LsaOpenPolicy(long long long long) LsaOpenPolicy
 @ stdcall LsaLookupSids(ptr long ptr ptr ptr) LsaLookupSids
 @ stdcall LsaFreeMemory(ptr)LsaFreeMemory
-@ stdcall LsaQueryInformationPolicy(ptr long ptr)LsaQueryInformationPolicy
+@ stdcall LsaQueryInformationPolicy(ptr long ptr) LsaQueryInformationPolicy
 @ stdcall LsaClose(ptr)LsaClose
 @ stub LsaSetInformationPolicy
 @ stub LsaLookupNames
@@ -301,6 +301,7 @@
 @ stub LsaGetSystemAccessAccount
 @ stub LsaSetInformationTrustedDomain
 @ stub LsaEnumerateTrustedDomains
+@ stdcall LsaNtStatusToWinError(long) LsaNtStatusToWinError
 @ stub LsaOpenAccount
 @ stub LsaEnumeratePrivileges
 @ stub LsaLookupPrivilegeDisplayName
diff --git a/dlls/advapi32/security.c b/dlls/advapi32/security.c
index 3ae68a55d9e..9bcacfc6f09 100644
--- a/dlls/advapi32/security.c
+++ b/dlls/advapi32/security.c
@@ -22,6 +22,7 @@
 
 #include "windef.h"
 #include "winerror.h"
+#include "rpcnterr.h"
 #include "heap.h"
 #include "ntddk.h"
 #include "ntsecapi.h"
@@ -917,6 +918,19 @@ LsaClose(IN LSA_HANDLE ObjectHandle)
 	FIXME("(%p):stub\n",ObjectHandle);
 	return 0xc0000000;
 }
+
+/******************************************************************************
+ * LsaNtStatusToWinError [ADVAPI32.@]
+ *
+ * PARAMS
+ *   Status [I]
+ */
+ULONG WINAPI
+LsaNtStatusToWinError(NTSTATUS Status)
+{
+    return RtlNtStatusToDosError(Status);
+}
+
 /******************************************************************************
  * NotifyBootConfigStatus [ADVAPI32.@]
  *
diff --git a/include/ntsecapi.h b/include/ntsecapi.h
index 3c548b40168..b7f08bd014c 100644
--- a/include/ntsecapi.h
+++ b/include/ntsecapi.h
@@ -69,6 +69,8 @@ NTSTATUS WINAPI LsaQueryInformationPolicy(LSA_HANDLE,POLICY_INFORMATION_CLASS,PV
 
 NTSTATUS WINAPI LsaFreeMemory(PVOID);
 NTSTATUS WINAPI LsaClose(IN LSA_HANDLE ObjectHandle);
+ULONG WINAPI LsaNtStatusToWinError(NTSTATUS Status);
+
 
 #ifdef __cplusplus
 } /* extern "C" */