diff --git a/gateway/src/gateway.cpp b/gateway/src/gateway.cpp
index 8038689..082922e 100644
--- a/gateway/src/gateway.cpp
+++ b/gateway/src/gateway.cpp
@@ -62,6 +62,15 @@ void readRcSwitch() {
 	}
 }
 
+void handleJsonError(DeserializationError err, const char* cmd) {
+	StaticJsonDocument<150> jsonError;
+	JsonObject error = jsonError.createNestedObject("error");
+	error["msg"] = err.c_str();
+	error["orig_cmd"] = cmd;
+	serializeJson(jsonError, Serial);
+	Serial.println();
+}
+
 void runJsonCommand(const char* cmd) {
 	StaticJsonDocument<100> jsonDoc;
 	DeserializationError err = deserializeJson(jsonDoc, cmd);
@@ -75,12 +84,7 @@ void runJsonCommand(const char* cmd) {
 			Serial.println();
 		}
 	} else {
-		StaticJsonDocument<150> jsonError;
-		JsonObject error = jsonError.createNestedObject("error");
-		error["msg"] = err.c_str();
-		error["orig_cmd"] = cmd;
-		serializeJson(jsonError, Serial);
-		Serial.println();
+		handleJsonError(err, cmd);
 	}
 }