diff --git a/rostests/winetests/shdocvw/shdocvw.c b/rostests/winetests/shdocvw/shdocvw.c
index 3bdceb57287..50ee9a38630 100644
--- a/rostests/winetests/shdocvw/shdocvw.c
+++ b/rostests/winetests/shdocvw/shdocvw.c
@@ -212,13 +212,13 @@ static void test_ParseURLFromOutsideSourceA(void)
         buffer[sizeof(buffer)-1] = '\0';
         len = sizeof(buffer);
         dummy = 0;
-        /* on success, len+1 is returned. No idea, if someone depend on this */
+        /* on success, string size including terminating 0 is returned for ansi version */
         res = pParseURLFromOutsideSourceA(ParseURL_table[i].url, buffer, &len, &dummy);
         /* len does not include the terminating 0, when buffer is large enough */
-        ok( res != 0 && len == ParseURL_table[i].len &&
+        ok( res == (ParseURL_table[i].len+1) && len == ParseURL_table[i].len &&
             !lstrcmpA(buffer, ParseURL_table[i].newurl),
-            "#%d: got %d and %d with '%s' (expected '!=0' and %d with '%s')\n",
-            i, res, len, buffer, ParseURL_table[i].len, ParseURL_table[i].newurl);
+            "#%d: got %d and %d with '%s' (expected %d and %d with '%s')\n",
+            i, res, len, buffer, ParseURL_table[i].len+1, ParseURL_table[i].len, ParseURL_table[i].newurl);
 
 
         /* use the size test only for the first examples */
@@ -308,11 +308,12 @@ static void test_ParseURLFromOutsideSourceW(void)
     /* len is in characters */
     len = sizeof(bufferW)/sizeof(bufferW[0]);
     dummy = 0;
+    /* on success, 1 is returned for unicode version */
     res = pParseURLFromOutsideSourceW(urlW, bufferW, &len, &dummy);
     WideCharToMultiByte(CP_ACP, 0, bufferW, -1, bufferA, sizeof(bufferA), NULL, NULL);
-    ok( res != 0 && len == ParseURL_table[0].len &&
+    ok( res == 1 && len == ParseURL_table[0].len &&
         !lstrcmpA(bufferA, ParseURL_table[0].newurl),
-        "got %d and %d with '%s' (expected '!=0' and %d with '%s')\n",
+        "got %d and %d with '%s' (expected 1 and %d with '%s')\n",
         res, len, bufferA, ParseURL_table[0].len, ParseURL_table[0].newurl);