diff --git a/reference/configuration/doctrine.rst b/reference/configuration/doctrine.rst
index 2e736926be2..299261aa2b4 100644
--- a/reference/configuration/doctrine.rst
+++ b/reference/configuration/doctrine.rst
@@ -24,7 +24,7 @@ Full Default Configuration
                         commented:            true
                 # If defined, all the tables whose names match this regular expression are ignored
                 # by the schema tool (in this example, any table name starting with `wp_`)
-                #schema_filter:               "/^wp_/"
+                #schema_filter:               ~^(?!wp_)~
 
                 connections:
                     # A collection of different named connections (e.g. default, conn2, etc)