diff --git a/gateway/include/Protocol.h b/gateway/include/Protocol.h
index a20e0c1..16da3bf 100644
--- a/gateway/include/Protocol.h
+++ b/gateway/include/Protocol.h
@@ -11,7 +11,7 @@ public:
         this->protocol = protocol;
     }
 
-    virtual void fromJson(JsonObjectConst rcSwitch, RCSwitch& rcDevice) {
+    virtual void fromJson(JsonObjectConst& rcSwitch, RCSwitch& rcDevice) {
         unsigned int protocol = rcSwitch["protocol"];
         rcDevice.setProtocol(protocol);
         rcDevice.send(rcSwitch["value"]);
diff --git a/gateway/include/Protocol_1.h b/gateway/include/Protocol_1.h
index 740e61b..1a50917 100644
--- a/gateway/include/Protocol_1.h
+++ b/gateway/include/Protocol_1.h
@@ -11,7 +11,7 @@ public:
     Protocol_1() : Protocol(1) {
     }
 
-    void fromJson(JsonObjectConst rcSwitch, RCSwitch& rcDevice) override {
+    void fromJson(JsonObjectConst& rcSwitch, RCSwitch& rcDevice) override {
         unsigned int protocol = rcSwitch["protocol"];
         rcDevice.setProtocol(protocol);
         char* group = rcSwitch["group"];