1 files changed, 1 insertions, 1 deletions
diff --git a/config.h b/config.h
index 0f5ec78..1c938c0 100644
--- a/config.h
+++ b/config.h
@@ -71,7 +71,7 @@ class Config
   const std::vector<Socket>& Sockets() const;
 
   /// param[in] requested_host e.g. www.domain.com:8080 or www.domain.com
-  std::string DocRoot(const Socket& socket, const std::string& requested_host, const std::string& requested_path);
+  std::string DocRoot(const Socket& socket, const std::string& requested_host, const std::string& requested_path) const;
 
   void dump() const;
 };