diff --git a/src/http_utils.cpp b/src/http_utils.cpp
index fec42643..204ebf7f 100644
--- a/src/http_utils.cpp
+++ b/src/http_utils.cpp
@@ -80,7 +80,7 @@ const int http_utils::http_forbidden = MHD_HTTP_FORBIDDEN;
 const int http_utils::http_not_found = MHD_HTTP_NOT_FOUND;
 const int http_utils::http_method_not_allowed = MHD_HTTP_METHOD_NOT_ALLOWED;
 const int http_utils::http_method_not_acceptable =
-    MHD_HTTP_METHOD_NOT_ACCEPTABLE;
+    MHD_HTTP_NOT_ACCEPTABLE;
 const int http_utils::http_proxy_authentication_required =
     MHD_HTTP_PROXY_AUTHENTICATION_REQUIRED;
 const int http_utils::http_request_timeout = MHD_HTTP_REQUEST_TIMEOUT;
diff --git a/src/httpserver/http_resource.hpp b/src/httpserver/http_resource.hpp
index 3755c32d..a9bc020e 100644
--- a/src/httpserver/http_resource.hpp
+++ b/src/httpserver/http_resource.hpp
@@ -204,7 +204,7 @@ class http_resource
         /**
          * Class destructor
         **/
-        ~http_resource()
+        virtual ~http_resource()
         {
         }
 
diff --git a/src/webserver.cpp b/src/webserver.cpp
index a5f74ba6..7bf1b187 100644
--- a/src/webserver.cpp
+++ b/src/webserver.cpp
@@ -862,7 +862,7 @@ int webserver::method_not_acceptable_page (const void *cls,
         (void *) NOT_METHOD_ERROR,
         MHD_RESPMEM_PERSISTENT);
     ret = MHD_queue_response (connection,
-        MHD_HTTP_METHOD_NOT_ACCEPTABLE,
+        MHD_HTTP_NOT_ACCEPTABLE,
         response);
     MHD_add_response_header (response,
         MHD_HTTP_HEADER_CONTENT_ENCODING,