diff --git a/dlls/wbemprox/tests/Makefile.in b/dlls/wbemprox/tests/Makefile.in
index f88fa586517..fdff192b2ce 100644
--- a/dlls/wbemprox/tests/Makefile.in
+++ b/dlls/wbemprox/tests/Makefile.in
@@ -2,6 +2,7 @@ TESTDLL   = wbemprox.dll
 IMPORTS   = uuid oleaut32 ole32
 
 C_SRCS = \
-	query.c
+	query.c \
+	services.c
 
 @MAKE_TEST_RULES@
diff --git a/dlls/wbemprox/tests/services.c b/dlls/wbemprox/tests/services.c
new file mode 100644
index 00000000000..64be9786043
--- /dev/null
+++ b/dlls/wbemprox/tests/services.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2012 Hans Leidekker for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#define COBJMACROS
+
+#include <stdio.h>
+#include "windows.h"
+#include "objidl.h"
+#include "wbemcli.h"
+#include "wine/test.h"
+
+static void test_IClientSecurity(void)
+{
+    static const WCHAR rootW[] = {'R','O','O','T','\\','C','I','M','V','2',0};
+    HRESULT hr;
+    IWbemLocator *locator;
+    IWbemServices *services;
+    IClientSecurity *security;
+    BSTR path = SysAllocString( rootW );
+    ULONG refs;
+
+    hr = CoCreateInstance( &CLSID_WbemLocator, NULL, CLSCTX_INPROC_SERVER, &IID_IWbemLocator, (void **)&locator );
+    if (hr != S_OK)
+    {
+        win_skip("can't create instance of WbemLocator\n");
+        return;
+    }
+    ok( hr == S_OK, "failed to create IWbemLocator interface %08x\n", hr );
+
+    refs = IWbemLocator_Release( locator );
+    ok( refs == 0, "unexpected refcount %u\n", refs );
+
+    hr = CoCreateInstance( &CLSID_WbemLocator, NULL, CLSCTX_INPROC_SERVER, &IID_IWbemLocator, (void **)&locator );
+    ok( hr == S_OK, "failed to create IWbemLocator interface %08x\n", hr );
+
+    hr = IWbemLocator_ConnectServer( locator, path, NULL, NULL, NULL, 0, NULL, NULL, &services );
+    ok( hr == S_OK, "failed to get IWbemServices interface %08x\n", hr );
+
+    refs = IWbemServices_Release( services );
+    ok( refs == 0, "unexpected refcount %u\n", refs );
+
+    hr = IWbemLocator_ConnectServer( locator, path, NULL, NULL, NULL, 0, NULL, NULL, &services );
+    ok( hr == S_OK, "failed to get IWbemServices interface %08x\n", hr );
+
+    hr = IWbemServices_QueryInterface( services, &IID_IClientSecurity, (void **)&security );
+    ok( hr == S_OK, "failed to query IClientSecurity interface %08x\n", hr );
+    ok( (void *)services != (void *)security, "expected pointers to be different\n" );
+
+    refs = IClientSecurity_Release( security );
+    ok( refs == 1, "unexpected refcount %u\n", refs );
+
+    refs = IWbemServices_Release( services );
+    ok( refs == 0, "unexpected refcount %u\n", refs );
+
+    hr = IWbemLocator_ConnectServer( locator, path, NULL, NULL, NULL, 0, NULL, NULL, &services );
+    ok( hr == S_OK, "failed to get IWbemServices interface %08x\n", hr );
+
+    hr = IWbemServices_QueryInterface( services, &IID_IClientSecurity, (void **)&security );
+    ok( hr == S_OK, "failed to query IClientSecurity interface %08x\n", hr );
+    ok( (void *)services != (void *)security, "expected pointers to be different\n" );
+
+    refs = IWbemServices_Release( services );
+    todo_wine ok( refs == 1, "unexpected refcount %u\n", refs );
+
+    refs = IWbemServices_Release( security );
+    todo_wine ok( refs == 0, "unexpected refcount %u\n", refs );
+
+    IWbemLocator_Release( locator );
+    SysFreeString( path );
+}
+
+START_TEST(services)
+{
+    CoInitialize( NULL );
+    test_IClientSecurity();
+    CoUninitialize();
+}