diff --git a/src/main.cpp b/src/main.cpp
index 555a794..110253f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -234,7 +234,7 @@ public:
 
                 api->setQosSettings(pt);
 
-                std::string result = R"({""status":"ok",settings":)";
+                std::string result = R"({"status":"ok",settings":)";
                 result += api->loadSettings();
                 result += "}";
                 rep.content.insert(rep.content.end(), result.c_str(), result.c_str() + result.size());