diff --git a/dlls/advapi32/advapi32.spec b/dlls/advapi32/advapi32.spec
index df090906109..7be1cdaa46e 100644
--- a/dlls/advapi32/advapi32.spec
+++ b/dlls/advapi32/advapi32.spec
@@ -18,6 +18,8 @@
 @ stub AreAnyAccessesGranted
 @ stdcall BackupEventLogA (long str)
 @ stdcall BackupEventLogW (long wstr)
+@ stdcall BuildTrusteeWithSidA(ptr ptr)
+@ stdcall BuildTrusteeWithSidW(ptr ptr)
 @ stub ChangeServiceConfigA
 @ stub ChangeServiceConfigW
 @ stdcall ClearEventLogA (long str)
diff --git a/dlls/advapi32/security.c b/dlls/advapi32/security.c
index ac24a413c97..8c65dba2d05 100644
--- a/dlls/advapi32/security.c
+++ b/dlls/advapi32/security.c
@@ -1334,3 +1334,19 @@ DWORD WINAPI GetSecurityInfoExW(
   FIXME("stub!\n");
   return ERROR_BAD_PROVIDER; 
 }
+
+/******************************************************************************
+ * BuildTrusteeWithSidA [ADVAPI32.@]
+ */
+VOID WINAPI BuildTrusteeWithSidA(PTRUSTEEA pTrustee, PSID pSid)
+{
+    FIXME("%p %p\n", pTrustee, pSid);
+}
+
+/******************************************************************************
+ * BuildTrusteeWithSidW [ADVAPI32.@]
+ */
+VOID WINAPI BuildTrusteeWithSidW(PTRUSTEEW pTrustee, PSID pSid)
+{
+    FIXME("%p %p\n", pTrustee, pSid);
+}