diff --git a/include/crow/mustache.h b/include/crow/mustache.h
index e858a7e8c..d14dccddf 100644
--- a/include/crow/mustache.h
+++ b/include/crow/mustache.h
@@ -222,26 +222,18 @@ namespace crow
                                         out += ctx.s;
                                     break;
                                 case json::type::Function:
+                                    std::string execute_result = ctx.execute();
+                                    while (execute_result.find("{{") != std::string::npos)
+                                    {
+                                        template_t result_plug(execute_result);
+                                        execute_result = result_plug.render(*(stack[0]));
+                                    }
+
                                     if (action.t == ActionType::Tag)
-                                    {
-                                        std::string execute_result = ctx.execute();
-                                        while (execute_result.find("{{") != std::string::npos)
-                                        {
-                                            template_t result_plug(execute_result);
-                                            execute_result = result_plug.render(*(stack[0]));
-                                        }
                                         escape(execute_result, out);
-                                    }
                                     else
-                                    {
-                                        std::string execute_result = ctx.execute();
-                                        while (execute_result.find("{{") != std::string::npos)
-                                        {
-                                            template_t result_plug(execute_result);
-                                            execute_result = result_plug.render(*(stack[0]));
-                                        }
                                         out += execute_result;
-                                    }
+
                                     break;
                                 default:
                                     throw std::runtime_error("not implemented tag type" + boost::lexical_cast<std::string>(static_cast<int>(ctx.t())));