diff --git a/dlls/sapi/tests/tts.c b/dlls/sapi/tests/tts.c
index 7566bd5c5cb..4d565b35294 100644
--- a/dlls/sapi/tests/tts.c
+++ b/dlls/sapi/tests/tts.c
@@ -440,6 +440,8 @@ static void test_spvoice(void)
     ITypeInfo *typeinfo;
     TYPEATTR *typeattr;
     DISPID dispid;
+    DISPPARAMS params;
+    VARIANT args[2], ret;
     HRESULT hr;
 
     if (waveOutGetNumDevs() == 0) {
@@ -739,6 +741,29 @@ static void test_spvoice(void)
     ok(hr == S_OK, "got %#lx.\n", hr);
     ok(dispid == DISPID_SVGetVoices, "got %#lx.\n", dispid);
 
+    memset(&params, 0, sizeof(params));
+    params.cArgs = 2;
+    params.cNamedArgs = 0;
+    params.rgvarg = args;
+    VariantInit(&args[0]);
+    VariantInit(&args[1]);
+    V_VT(&args[0]) = VT_BSTR;
+    V_VT(&args[1]) = VT_BSTR;
+    V_BSTR(&args[0]) = opt;
+    V_BSTR(&args[1]) = req;
+    VariantInit(&ret);
+    hr = ISpeechVoice_Invoke(speech_voice, dispid, &IID_NULL, 0, DISPATCH_METHOD, &params, &ret, NULL, NULL);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+    ok(V_VT(&ret) == VT_DISPATCH, "got %#x.\n", V_VT(&ret));
+    hr = IDispatch_QueryInterface(V_DISPATCH(&ret), &IID_ISpeechObjectTokens, (void **)&speech_tokens);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+    count = -1;
+    hr = ISpeechObjectTokens_get_Count(speech_tokens, &count);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+    ok(count == 1, "got %ld.\n", count);
+    ISpeechObjectTokens_Release(speech_tokens);
+    VariantClear(&ret);
+
     ISpeechVoice_Release(speech_voice);
 
 done:
diff --git a/dlls/sapi/tts.c b/dlls/sapi/tts.c
index d08b0c5de22..d22ffd7a0da 100644
--- a/dlls/sapi/tts.c
+++ b/dlls/sapi/tts.c
@@ -213,10 +213,17 @@ static HRESULT WINAPI speech_voice_Invoke(ISpeechVoice *iface, DISPID dispid, RE
                                           WORD flags, DISPPARAMS *params, VARIANT *result,
                                           EXCEPINFO *excepinfo, UINT *argerr)
 {
-    FIXME("(%p, %ld, %s, %#lx, %#x, %p, %p, %p, %p): stub.\n", iface, dispid, debugstr_guid(riid),
+    ITypeInfo *typeinfo;
+    HRESULT hr;
+
+    TRACE("(%p, %ld, %s, %#lx, %#x, %p, %p, %p, %p).\n", iface, dispid, debugstr_guid(riid),
           lcid, flags, params, result, excepinfo, argerr);
 
-    return E_NOTIMPL;
+    if (FAILED(hr = get_typeinfo(ISpeechVoice_tid, &typeinfo)))
+        return hr;
+    hr = ITypeInfo_Invoke(typeinfo, iface, dispid, flags, params, result, excepinfo, argerr);
+    ITypeInfo_Release(typeinfo);
+    return hr;
 }
 
 static HRESULT WINAPI speech_voice_get_Status(ISpeechVoice *iface, ISpeechVoiceStatus **status)