diff --git a/src/common/command_line.h b/src/common/command_line.h
index 877565c0..ee7985cc 100644
--- a/src/common/command_line.h
+++ b/src/common/command_line.h
@@ -150,13 +150,6 @@ namespace command_line
     return parser.run();
   }
 
-  template<typename F>
-  bool handle_error_helper(const boost::program_options::options_description& desc, F parser)
-  {
-    std::string stub_err;
-    return handle_error_helper(desc, stub_err, parser);
-  }
-
   template<typename F>
   bool handle_error_helper(const boost::program_options::options_description& desc, std::string& err, F parser)
   {
@@ -179,6 +172,13 @@ namespace command_line
     }
   }
 
+  template<typename F>
+  bool handle_error_helper(const boost::program_options::options_description& desc, F parser)
+  {
+    std::string stub_err;
+    return handle_error_helper(desc, stub_err, parser);
+  }
+
   template<typename T, bool required>
   bool has_arg(const boost::program_options::variables_map& vm, const arg_descriptor<T, required>& arg)
   {