diff --git a/server/WebApi.h b/server/WebApi.h
index 255ccfcf67..4a87a189d3 100755
--- a/server/WebApi.h
+++ b/server/WebApi.h
@@ -115,13 +115,25 @@ std::string getValue(const mediakit::Parser &parser, Args &args, const First &fi
 
 template<typename Args>
 class HttpAllArgs {
+    mediakit::Parser* _parser = nullptr;
+    Args* _args = nullptr;
 public:
     const mediakit::Parser& parser;
     Args& args;
 
     HttpAllArgs(const mediakit::Parser &parser, Args &args): parser(parser), args(args) {}
 
-    HttpAllArgs(const HttpAllArgs &that): parser(that.parser), args(that.args) {}
+    HttpAllArgs(const HttpAllArgs &that): _parser(new mediakit::Parser(that.parser)),
+                                          _args(new Args(that.args)),
+                                          parser(*_parser), args(*_args) {}
+    ~HttpAllArgs() {
+        if (_parser) {
+            delete _parser;
+        }
+        if (_args) {
+            delete _args;
+        }
+    }
 
     template<typename Key>
     toolkit::variant operator[](const Key &key) const {