diff --git a/dlls/urlmon/tests/misc.c b/dlls/urlmon/tests/misc.c
index 8774410ebd1..67e0d3de5b6 100644
--- a/dlls/urlmon/tests/misc.c
+++ b/dlls/urlmon/tests/misc.c
@@ -367,14 +367,15 @@ static const WCHAR mimeAppXMSDownload[] =
 static const struct {
     LPCWSTR url;
     LPCWSTR mime;
+    HRESULT hres;
 } mime_tests[] = {
-    {url1, mimeTextHtml},
-    {url2, mimeTextHtml},
-    {url3, mimeTextHtml},
-    {url4, NULL},
-    {url5, NULL},
-    {url6, NULL},
-    {url7, NULL}
+    {url1, mimeTextHtml, S_OK},
+    {url2, mimeTextHtml, S_OK},
+    {url3, mimeTextHtml, S_OK},
+    {url4, NULL, E_FAIL},
+    {url5, NULL, HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)},
+    {url6, NULL, E_FAIL},
+    {url7, NULL, HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)}
 };
 
 static BYTE data1[] = "test data\n";
@@ -539,7 +540,9 @@ static void test_FindMimeFromData(void)
             ok(!lstrcmpW(mime, mime_tests[i].mime), "[%d] wrong mime\n", i);
             CoTaskMemFree(mime);
         }else {
-            ok(hres == E_FAIL, "[%d] FindMimeFromData failed: %08x, expected E_FAIL\n", i, hres);
+            ok(hres == E_FAIL || hres == mime_tests[i].hres,
+               "[%d] FindMimeFromData failed: %08x, expected %08x\n",
+               i, hres, mime_tests[i].hres);
             ok(mime == (LPWSTR)0xf0f0f0f0, "[%d] mime != 0xf0f0f0f0\n", i);
         }
 
diff --git a/dlls/urlmon/urlmon_main.c b/dlls/urlmon/urlmon_main.c
index 7cee585d255..3d29feb6923 100644
--- a/dlls/urlmon/urlmon_main.c
+++ b/dlls/urlmon/urlmon_main.c
@@ -647,13 +647,13 @@ HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
 
         res = RegOpenKeyW(HKEY_CLASSES_ROOT, ptr, &hkey);
         if(res != ERROR_SUCCESS)
-            return E_FAIL;
+            return HRESULT_FROM_WIN32(res);
 
         size = sizeof(mime);
         res = RegQueryValueExW(hkey, wszContentType, NULL, NULL, (LPBYTE)mime, &size);
         RegCloseKey(hkey);
         if(res != ERROR_SUCCESS)
-            return E_FAIL;
+            return HRESULT_FROM_WIN32(res);
 
         *ppwzMimeOut = CoTaskMemAlloc(size);
         memcpy(*ppwzMimeOut, mime, size);