diff --git a/embedding/browser/cocoa/src/CHBrowserView.mm b/embedding/browser/cocoa/src/CHBrowserView.mm
index 5256e2543048..0f75bdb1ac62 100644
--- a/embedding/browser/cocoa/src/CHBrowserView.mm
+++ b/embedding/browser/cocoa/src/CHBrowserView.mm
@@ -570,9 +570,8 @@ const char kDirServiceContractID[] = "@mozilla.org/file/directory_service;1";
     nsAutoString urlStr;
     location->GetHref(urlStr);
 #warning fix me
-    nsCAutoString urlCStr; urlCStr.AssignWithConversion(urlStr);
     nsCOMPtr<nsIURI> url;
-    nsresult rv = NS_NewURI(getter_AddRefs(url), urlCStr.get());
+    nsresult rv = NS_NewURI(getter_AddRefs(url), urlStr);
     if (NS_FAILED(rv))
         return;
     
diff --git a/embedding/browser/powerplant/source/CWebBrowserChrome.cpp b/embedding/browser/powerplant/source/CWebBrowserChrome.cpp
index 5b133fedc0cb..32715a1091c2 100644
--- a/embedding/browser/powerplant/source/CWebBrowserChrome.cpp
+++ b/embedding/browser/powerplant/source/CWebBrowserChrome.cpp
@@ -279,17 +279,15 @@ NS_IMETHODIMP CWebBrowserChrome::OnLocationChange(nsIWebProgress* aWebProgress,
 {
 	NS_ENSURE_TRUE(mBrowserWindow, NS_OK);
 
-	char *buf = nsnull;
  
+	nsCAutoString buf;
 	if (location)
-		location->GetSpec(&buf);
+		location->GetSpec(buf);
 
-	nsAutoString tmp; tmp.AssignWithConversion(buf);
+	nsAutoString tmp;
+	CopyUTF8toUTF16(buf, tmp);
 	mBrowserWindow->SetLocation(tmp);
 
-	if (buf)	
-	    Recycle(buf);
-
 	return NS_OK;
 }