diff --git a/doc/mod_fastcgi.xml b/doc/mod_fastcgi.xml
index 42ccab7..f062e43 100644
--- a/doc/mod_fastcgi.xml
+++ b/doc/mod_fastcgi.xml
@@ -28,7 +28,7 @@
 					module_load "mod_fastcgi";
 				}
 
-				if phys.path =$ ".php" {
+				if phys.path =$ ".php" and phys.is_file {
 					fastcgi "unix:/var/run/lighttpd2/php.sock";
 				}
 			</config>