diff --git a/Code/ApplicationEngine/otbWrapperApplicationHtmlDocGenerator.h b/Code/ApplicationEngine/otbWrapperApplicationHtmlDocGenerator.h
index 94c346e9ba928eb013ca3be40dec2ed5dd305eab..51d70997a46d7667262b232935d618d75ae095fd 100644
--- a/Code/ApplicationEngine/otbWrapperApplicationHtmlDocGenerator.h
+++ b/Code/ApplicationEngine/otbWrapperApplicationHtmlDocGenerator.h
@@ -43,6 +43,8 @@ public:
 
   static void GenerateDoc( const Application::Pointer app, const std::string & filename );
 
+  static void GenerateDoc( const Application::Pointer app, std::string & val);
+
 protected:
 
 /** Get the parameter description of one parameter. */