diff --git a/lib/fastcgi.js b/lib/fastcgi.js
index 0fe3699..07d1a4e 100644
--- a/lib/fastcgi.js
+++ b/lib/fastcgi.js
@@ -40,12 +40,13 @@ ServerResponse.prototype._writeRaw = function(buffer) {
     }
 };
 
-ServerResponse.prototype.writeHead = function(statusCode) {
+ServerResponse.prototype.writeHead = function(statusCode, mimeTypes) {
     if(this.closed) return false;
     
     this.statusCode = statusCode;
+    this.mimeTypes = mimeTypes || 'text/plain';
     var reasonPhrase = STATUS_CODES[statusCode] || 'unknown';
-    var body = 'HTTP/1.1 ' + statusCode +  ' ' + reasonPhrase + '\r\nConnection: close\r\nContent-Type: text/plain\r\n\r\n';
+    var body = 'HTTP/1.1 ' + statusCode +  ' ' + reasonPhrase + '\r\nConnection: close\r\nContent-Type: ' + this.mimeTypes + '\r\n\r\n';
     
     msgHeader.type = FCGI_STDOUT;
     msgHeader.recordId = this.recordId;
@@ -170,6 +171,8 @@ function connectionListener(socket) {
                 if(params.REMOTE_ADDR) {
                     req.connection.remoteAddress = params.REMOTE_ADDR; 
                 }
+                
+                req.fastCgiParams = params;
             }
             break;
         case FCGI_STDIN: