diff --git a/lib/Basics/Utf8Helper.cpp b/lib/Basics/Utf8Helper.cpp
index 4ef471941c..efdaa5190d 100644
--- a/lib/Basics/Utf8Helper.cpp
+++ b/lib/Basics/Utf8Helper.cpp
@@ -55,7 +55,7 @@ Utf8Helper::Utf8Helper (const string& lang) : _coll(0) {
   }
   else {
     Locale locale(lang.c_str());
-    _coll = Collator::createInstance(status);     
+    _coll = Collator::createInstance(locale, status);     
   }
   
   if(U_FAILURE(status)) {
diff --git a/lib/Basics/Utf8Helper.h b/lib/Basics/Utf8Helper.h
index cb9c34dd05..30ff45769c 100644
--- a/lib/Basics/Utf8Helper.h
+++ b/lib/Basics/Utf8Helper.h
@@ -75,12 +75,13 @@ namespace triagens {
       public:
         
 ////////////////////////////////////////////////////////////////////////////////
-/// @brief constructor
+/// @brief constructor 
+/// @param string lang                     Use "de_DE", "en_US" or "" (default)
 ////////////////////////////////////////////////////////////////////////////////
         
         Utf8Helper(const string& lang);
 
-        ////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
 /// @brief destructor
 ////////////////////////////////////////////////////////////////////////////////