1 files changed, 1 insertions, 1 deletions
diff --git a/format.h b/format.h
index e28b6964..6c9d2e5f 100644
--- a/format.h
+++ b/format.h
@@ -110,7 +110,7 @@ struct format_t : public noncopyable
   static string truncate(const string& str, unsigned int width,
 			      const bool is_account = false);
 
-  void format(std::ostream& out, const scope_t& scope) const;
+  void format(std::ostream& out, scope_t& scope) const;
 };
 
 class format_xacts : public item_handler<xact_t>