diff --git a/mozilla/docshell/base/nsWebShell.cpp b/mozilla/docshell/base/nsWebShell.cpp
index 36ce6e403a5..c5945736b6e 100644
--- a/mozilla/docshell/base/nsWebShell.cpp
+++ b/mozilla/docshell/base/nsWebShell.cpp
@@ -862,8 +862,11 @@ nsresult nsWebShell::EndPageLoad(nsIWebProgress *aProgress,
 
         if(keywordsEnabled && (-1 == dotLoc)) {
           // only send non-qualified hosts to the keyword server
+          nsCAutoString keywordSpec("keyword:");
+          keywordSpec += host;
+
           NS_NewURI(getter_AddRefs(newURI),
-                    NS_LITERAL_CSTRING("keyword:") + host, nsnull);
+                    keywordSpec, nsnull);
         } // end keywordsEnabled
       }