diff --git a/gateway/src/gateway.cpp b/gateway/src/gateway.cpp
index 082922e..7bc2d31 100644
--- a/gateway/src/gateway.cpp
+++ b/gateway/src/gateway.cpp
@@ -11,7 +11,7 @@
 
 
 RCSwitch mySwitch = RCSwitch();
-SerialReader<100> serialReader;
+SerialReader<200> serialReader;
 
 void setup() {
 	digitalWrite(RESET_PIN, HIGH);
@@ -63,7 +63,7 @@ void readRcSwitch() {
 }
 
 void handleJsonError(DeserializationError err, const char* cmd) {
-	StaticJsonDocument<150> jsonError;
+	StaticJsonDocument<50> jsonError;
 	JsonObject error = jsonError.createNestedObject("error");
 	error["msg"] = err.c_str();
 	error["orig_cmd"] = cmd;
@@ -71,8 +71,8 @@ void handleJsonError(DeserializationError err, const char* cmd) {
 	Serial.println();
 }
 
-void runJsonCommand(const char* cmd) {
-	StaticJsonDocument<100> jsonDoc;
+void runJsonCommand(char* cmd) {
+	StaticJsonDocument<50> jsonDoc;
 	DeserializationError err = deserializeJson(jsonDoc, cmd);
 	if (err == DeserializationError::Ok) {
 		if (jsonDoc.containsKey("rcSwitch")) {
@@ -90,7 +90,7 @@ void runJsonCommand(const char* cmd) {
 
 void readCommand() {
 	if (serialReader.readLine(Serial) > 0) {
-		const char* cmd = serialReader.getBuffer();
+		char* cmd = serialReader.getBuffer();
 		if (strcmp("reset", cmd) == 0) {
 			Serial.println("resetting...");
 			delay(200);