diff --git a/src/httpserver/new_http.c b/src/httpserver/new_http.c
index 15b326000..bf82e79a6 100644
--- a/src/httpserver/new_http.c
+++ b/src/httpserver/new_http.c
@@ -315,14 +315,16 @@ void HTTP_AddBuildFooter(http_request_t *request) {
 // add some more output safely, sending if necessary.
 // call with str == NULL to force send.
 int poststr(http_request_t *request, const char *str){
+	int currentlen;
+	int addlen;
 	if (NULL == str){
 		send(request->fd, request->reply, strlen(request->reply), 0);
 		request->reply[0] = 0;
 		return 0;
 	}
 
-	int currentlen = strlen(request->reply);
-	int addlen = strlen(str);
+	currentlen = strlen(request->reply);
+	addlen = strlen(str);
 	if (currentlen + addlen >= request->replymaxlen){
 		send(request->fd, request->reply, strlen(request->reply), 0);
 		request->reply[0] = 0;
@@ -341,11 +343,14 @@ int HTTP_ProcessPacket(http_request_t *request) {
 	char tmpA[128];
 	char tmpB[64];
 	char tmpC[64];
+	char *p;
+	char *headers;
+	char *protocol;
 	//int bChanged = 0;
 	char *urlStr = "";
 
 	char *recvbuf = request->received;
-	for (int i = 0; i < sizeof(methodNames)/sizeof(*methodNames); i++){
+	for ( i = 0; i < sizeof(methodNames)/sizeof(*methodNames); i++){
 		if (http_startsWith(recvbuf, methodNames[i])){
 			urlStr = recvbuf + strlen(methodNames[i]) + 2; // skip method name plus space, plus slash
 			request->method = i;
@@ -371,7 +376,7 @@ int HTTP_ProcessPacket(http_request_t *request) {
 	}
 
 	// chop URL at space
-	char *p = strchr(urlStr, ' ');
+	p = strchr(urlStr, ' ');
 	if (*p) {
 		*p = '\0';
 		p++; // past space
@@ -384,7 +389,7 @@ int HTTP_ProcessPacket(http_request_t *request) {
 	request->url = urlStr;
 
 	// protocol is next, termed by \r\n
-	char *protocol = p;
+	protocol = p;
 	p = strchr(protocol, '\r');
 	if (*p) {
 		*p = '\0';
@@ -397,7 +402,7 @@ int HTTP_ProcessPacket(http_request_t *request) {
 	p++;
 	// i.e. not received
 	request->contentLength = -1;
-	char *headers = p;
+	headers = p;
 	do {
 		p = strchr(headers, '\r');
 		if (p != headers){
diff --git a/src/httpserver/rest_interface.c b/src/httpserver/rest_interface.c
index e71133b56..727fbc011 100644
--- a/src/httpserver/rest_interface.c
+++ b/src/httpserver/rest_interface.c
@@ -136,10 +136,11 @@ static int http_rest_post(http_request_t *request){
     return 0;
 }
 
+// currently crashes the MCU - maybe stack overflow?
 static int http_rest_post_pins(http_request_t *request){
     int i;
     int r;
-    char tmp[256];
+    char tmp[64];
 
     //https://github.com/zserge/jsmn/blob/master/example/simple.c
     jsmn_parser p;