diff --git a/dlls/shlwapi/shlwapi.spec b/dlls/shlwapi/shlwapi.spec
index 84f945f14e6..6d656208df4 100644
--- a/dlls/shlwapi/shlwapi.spec
+++ b/dlls/shlwapi/shlwapi.spec
@@ -668,7 +668,7 @@ init SHLWAPI_LibMain
 @ stdcall UrlGetPartA(str ptr ptr long long) UrlGetPartA
 @ stdcall UrlGetPartW(wstr ptr ptr long long) UrlGetPartW
 @ stdcall UrlHashA(str ptr long) UrlHashA
-@ stub    UrlHashW
+@ stdcall UrlHashW(wstr ptr long) UrlHashW
 @ stdcall UrlIsA(str long) UrlIsA
 @ stdcall UrlIsNoHistoryA(str) UrlIsNoHistoryA
 @ stdcall UrlIsNoHistoryW(wstr) UrlIsNoHistoryW
diff --git a/dlls/shlwapi/url.c b/dlls/shlwapi/url.c
index fce2bb953d9..2d5d9877a56 100644
--- a/dlls/shlwapi/url.c
+++ b/dlls/shlwapi/url.c
@@ -1172,7 +1172,29 @@ HRESULT WINAPI UrlHashA(LPCSTR pszUrl, unsigned char *lpDest, INT nDestLen)
     return E_INVALIDARG;
 
   HashData(pszUrl, strlen(pszUrl), lpDest, nDestLen);
-  return NOERROR;
+  return S_OK;
+}
+
+/*************************************************************************
+ * UrlHashW	[SHLWAPI.@]
+ *
+ * See UrlHashA.
+ */
+HRESULT WINAPI UrlHashW(LPCWSTR pszUrl, unsigned char *lpDest, INT nDestLen)
+{
+  char szUrl[MAX_PATH];
+
+  TRACE("(%s,%p,%d)\n",debugstr_w(pszUrl), lpDest, nDestLen);
+
+  if (IsBadStringPtrW(pszUrl, -1) || IsBadWritePtr(lpDest, nDestLen))
+    return E_INVALIDARG;
+
+  /* Win32 hashes the data as an ASCII string, presumably so that both A+W
+   * return the same digests for the same URL.
+   */
+  WideCharToMultiByte(0, 0, pszUrl, -1, szUrl, MAX_PATH, 0, 0);
+  HashData(szUrl, strlen(szUrl), lpDest, nDestLen);
+  return S_OK;
 }
 
 /*************************************************************************