diff --git a/dlls/advapi32/tests/service.c b/dlls/advapi32/tests/service.c
index 74cb9a8bc9e..9b6c1cfc5ac 100644
--- a/dlls/advapi32/tests/service.c
+++ b/dlls/advapi32/tests/service.c
@@ -108,7 +108,8 @@ static void test_open_scm(void)
     /* Again a correct one */
     SetLastError(0xdeadbeef);
     scm_handle = OpenSCManagerA(NULL, NULL, SC_MANAGER_CONNECT);
-    ok(GetLastError() == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %u\n", GetLastError());
+    ok(GetLastError() == ERROR_SUCCESS || broken(GetLastError() == ERROR_IO_PENDING) /* win2k */,
+       "Expected ERROR_SUCCESS, got %u\n", GetLastError());
     ok(scm_handle != NULL, "Expected success, got error %u\n", GetLastError());
     CloseServiceHandle(scm_handle);
 }