diff --git a/dlls/urlmon/sec_mgr.c b/dlls/urlmon/sec_mgr.c
index 0b56ba4e700..6ed72dc5ff0 100644
--- a/dlls/urlmon/sec_mgr.c
+++ b/dlls/urlmon/sec_mgr.c
@@ -66,7 +66,7 @@ static HRESULT map_url_to_zone(LPCWSTR url, DWORD *zone)
     if(FAILED(hres))
         return hres;
     if(!*schema)
-        return 0x80041001;
+        return E_INVALIDARG;
 
     /* file protocol is a special case */
     if(!strcmpW(schema, wszFile)) {
diff --git a/dlls/urlmon/tests/misc.c b/dlls/urlmon/tests/misc.c
index 50a40b11297..01c5eaf9a7b 100644
--- a/dlls/urlmon/tests/misc.c
+++ b/dlls/urlmon/tests/misc.c
@@ -754,7 +754,8 @@ static void test_SecurityManager(void)
         zone = 100;
         hres = IInternetSecurityManager_MapUrlToZone(secmgr, secmgr_tests[i].url,
                                                      &zone, 0);
-        ok(hres == secmgr_tests[i].zone_hres,
+        ok(hres == secmgr_tests[i].zone_hres /* IE <=6 */
+           || (FAILED(secmgr_tests[i].zone_hres) && hres == E_INVALIDARG), /* IE7 */
            "[%d] MapUrlToZone failed: %08x, expected %08x\n",
                 i, hres, secmgr_tests[i].zone_hres);
         if(SUCCEEDED(hres))