diff --git a/lib/util.C b/lib/util.C
index faf3036294..726599f1fa 100755
--- a/lib/util.C
+++ b/lib/util.C
@@ -38,6 +38,7 @@
 #include <algorithm>
 #include <fstream>
 using namespace std;
+using std::string;
 #endif
 
 #include "error_numbers.h"
@@ -392,7 +393,7 @@ void canonicalize_master_url(string& url) {
     string::size_type p = url.find("://");
     // lowercase http://
     if (p != string::npos) {
-		std::transform(url.begin(), url.begin()+p, url.begin(), tolower);
+		transform(url.begin(), url.begin()+p, url.begin(), tolower);
         p += 3;
     } else {
         p = 0;