diff --git a/Foundation/src/JSONString.cpp b/Foundation/src/JSONString.cpp
index 5b118a5ae..59331f49c 100644
--- a/Foundation/src/JSONString.cpp
+++ b/Foundation/src/JSONString.cpp
@@ -39,13 +39,13 @@ std::string toJSON(char c)
 
 void toJSON(const std::string& value, std::ostream& out, bool wrap)
 {
-	if (wrap) out << '"';
+	if (wrap) out << std::string(1, '"');
 	for (std::string::const_iterator it = value.begin(),
 		end = value.end(); it != end; ++it)
 	{
 		out << toJSON(*it);
 	}
-	if (wrap) out << '"';
+	if (wrap) out << std::string(1, '"');
 }