diff --git a/AMDiS/src/Initfile.h b/AMDiS/src/Initfile.h
index 9442f478efcdde9beab282bb1ce01f418eb956fc..38078120ce75821cf366748b63f507f65cd6f80f 100644
--- a/AMDiS/src/Initfile.h
+++ b/AMDiS/src/Initfile.h
@@ -206,6 +206,15 @@ namespace AMDiS {
       convert(temp_vec, valStr);
     }
 
+    template< typename T >
+    inline void convert(const std::string valStr, WorldVector<T>& c);
+
+    template<typename T>
+    inline void convert(const std::string valStr, std::list<T>& value);
+
+    template<typename T>
+    inline void convert(const std::string valStr, std::vector<T>& value);
+
     /** parse an container from tag tag. The Container must have the properties:
     * 	- type value_type
     * 	- member function push_back