diff --git a/src/app/WEBServer.h b/src/app/WEBServer.h
index b0bae50..bbe4795 100644
--- a/src/app/WEBServer.h
+++ b/src/app/WEBServer.h
@@ -668,7 +668,7 @@ class WEBServer : public TCPServer<T>, public HttpConstants
     
     static char *getHTTPHeader(HttpMIMEType httpMIMEType, size_t size)
     {
-      char *header = (char *) malloc(sizeof(char) /*strlen("HTTP/1.1 200 OK\r\nContent-Type: \r\nContent-Length: \r\nCache-Control: max-age=31536000\r\n\r\n")*/* (86 + 74/*Longest MIME-TYPE*/ + 10 /*Max unsigned long footprint*/ + 1));
+      char *header = (char *) malloc(sizeof(char) /*strlen("HTTP/1.1 200 OK\r\nContent-Type: \r\nContent-Length: \r\nCache-Control: max-age=31536000\r\n\r\n")*/* (86 + 255/*Longest MIME-TYPE that RFC allows*/ + 10 /*Max unsigned long footprint*/ + 1));
     
       switch(httpMIMEType)
       {