diff --git a/Code/Common/otbSystem.h b/Code/Common/otbSystem.h
index 5fd0e34ccaaba2b9da87a88396ee064579c2f105..62935cfa5541846d983943e3dad10a24575a6441 100755
--- a/Code/Common/otbSystem.h
+++ b/Code/Common/otbSystem.h
@@ -44,7 +44,7 @@ public:
   static std::string GetRootName( const std::string& filename );
 
   /** Get list of file find in a directory */
-  static std::vector<std::string> System::Readdir(std::string pszPath);
+  static std::vector<std::string> Readdir(std::string pszPath);
 };
 
 } // namespace otb