diff --git a/protocol.c b/protocol.c
index e80debb7..bdd4b75f 100644
--- a/protocol.c
+++ b/protocol.c
@@ -407,9 +407,16 @@ int uwsgi_parse_vars(struct uwsgi_server *uwsgi, struct wsgi_request *wsgi_req)
 							wsgi_req->pyhome = ptrbuf;
 							wsgi_req->pyhome_len = strsize;
 						}
+						else if (!uwsgi_strncmp("UWSGI_CHDIR", 11, wsgi_req->hvec[wsgi_req->var_cnt].iov_base, wsgi_req->hvec[wsgi_req->var_cnt].iov_len)) {
+							wsgi_req->chdir = ptrbuf;
+							wsgi_req->chdir_len = strsize;
+						}
 						else if (!uwsgi_strncmp("SERVER_NAME", 11, wsgi_req->hvec[wsgi_req->var_cnt].iov_base, wsgi_req->hvec[wsgi_req->var_cnt].iov_len)) {
 							wsgi_req->host = ptrbuf;
 							wsgi_req->host_len = strsize;
+#ifdef UWSGI_DEBUG
+							uwsgi_debug("SERVER_NAME=%.*s\n", wsgi_req->host_len, wsgi_req->host);
+#endif
 						}
 						else if (!uwsgi_strncmp("HTTPS", 5, wsgi_req->hvec[wsgi_req->var_cnt].iov_base, wsgi_req->hvec[wsgi_req->var_cnt].iov_len)) {
 							wsgi_req->https = ptrbuf;
diff --git a/uwsgi.c b/uwsgi.c
index 9cb21c46..c73fc5f4 100644
--- a/uwsgi.c
+++ b/uwsgi.c
@@ -2036,6 +2036,23 @@ int init_uwsgi_app(PyObject * force_wsgi_dict, PyObject * my_callable) {
 
 	memset(wi, 0, sizeof(struct uwsgi_app));
 
+// dynamic chdir ?
+
+	if (uwsgi.wsgi_req->chdir_len > 0) {
+		wi->chdir = malloc(uwsgi.wsgi_req->chdir_len + 1);
+		if (wi->chdir == NULL) {
+			uwsgi_error("malloc()");
+		}
+		memcpy(wi->chdir, uwsgi.wsgi_req->chdir, uwsgi.wsgi_req->chdir_len);
+		wi->chdir[uwsgi.wsgi_req->chdir_len] = 0;
+#ifdef UWSGI_DEBUG
+		uwsgi_debug("chdir to %s\n", wi->chdir);
+#endif
+		if (chdir(wi->chdir)) {
+			uwsgi_error("chdir()");
+		}
+	}
+
 	if (uwsgi.single_interpreter == 0) {
 		wi->interpreter = Py_NewInterpreter();
 		if (!wi->interpreter) {
diff --git a/uwsgi.h b/uwsgi.h
index 584eef49..91f8e4e6 100644
--- a/uwsgi.h
+++ b/uwsgi.h
@@ -307,6 +307,7 @@ struct uwsgi_app {
 #endif
 
 	int requests;
+	char *chdir;
 
 };
 
@@ -394,6 +395,9 @@ struct wsgi_request {
 	char *pyhome;
 	uint16_t pyhome_len;
 
+	char *chdir;
+	uint16_t chdir_len;
+
 	int fd_closed;
 
 	int sendfile_fd;
diff --git a/wsgi_handlers.c b/wsgi_handlers.c
index 28c8a53f..ad542b09 100644
--- a/wsgi_handlers.c
+++ b/wsgi_handlers.c
@@ -145,6 +145,9 @@ int uwsgi_request_wsgi(struct uwsgi_server *uwsgi, struct wsgi_request *wsgi_req
 #else
 			PyString_Concat(&zero, PyString_FromString("|"));
 			PyString_Concat(&zero, PyString_FromStringAndSize(wsgi_req->script_name, wsgi_req->script_name_len));
+#ifdef UWSGI_DEBUG
+			uwsgi_debug("VirtualHost SCRIPT_NAME=%s\n", PyString_AsString(zero)); 
+#endif
 #endif
 		}
 		else {
@@ -155,7 +158,7 @@ int uwsgi_request_wsgi(struct uwsgi_server *uwsgi, struct wsgi_request *wsgi_req
 		if (PyDict_Contains(uwsgi->py_apps, zero)) {
                		wsgi_req->app_id = PyInt_AsLong(PyDict_GetItem(uwsgi->py_apps, zero));
         	}
-        	else if (wsgi_req->script_name_len > 1 || uwsgi->default_app < 0) {
+        	else if (wsgi_req->script_name_len > 1 || uwsgi->default_app < 0 || uwsgi->vhost) {
         		/* unavailable app for this SCRIPT_NAME */
                 	wsgi_req->app_id = -1;
 			if (wsgi_req->wsgi_script_len > 0 || (wsgi_req->wsgi_callable_len > 0 && wsgi_req->wsgi_module_len > 0)) {
@@ -192,6 +195,14 @@ int uwsgi_request_wsgi(struct uwsgi_server *uwsgi, struct wsgi_request *wsgi_req
 
 		// set the interpreter
 		PyThreadState_Swap(wi->interpreter);
+		if (wi->chdir) {
+#ifdef UWSGI_DEBUG
+			uwsgi_debug("chdir to %s\n", wi->chdir);
+#endif
+			if (chdir(wi->chdir)) {
+				uwsgi_error("chdir()");
+			}
+		}
 	}
 
 	wi->requests++;