diff --git a/Lib/std/std_common.i b/Lib/std/std_common.i
index 7c52880e9..cb91bc632 100644
--- a/Lib/std/std_common.i
+++ b/Lib/std/std_common.i
@@ -73,7 +73,13 @@ namespace std {
 #endif
 %}
 
-%fragment("StdTraitsCommon","header") %{
+%fragment("StdStringInclude","header") %{
+#ifdef __clang__
+#include <string>
+#endif
+%}
+
+%fragment("StdTraitsCommon","header",fragment="StdStringInclude") %{
 namespace swig {  
   template <class Type>
   struct noconst_traits {
diff --git a/Lib/typemaps/traits.swg b/Lib/typemaps/traits.swg
index b39eb3946..584d480c2 100644
--- a/Lib/typemaps/traits.swg
+++ b/Lib/typemaps/traits.swg
@@ -26,7 +26,13 @@
 #include <stdexcept>
 %}
 
-%fragment("Traits","header") 
+%fragment("StdStringInclude","header") %{
+#ifdef __clang__
+#include <string>
+#endif
+%}
+
+%fragment("Traits","header",fragment="StdStringInclude") 
 {
 namespace swig {  
   /*