diff --git a/.env.sample b/.env.sample
index 7292579..fa3bf37 100644
--- a/.env.sample
+++ b/.env.sample
@@ -27,7 +27,7 @@ SECRET_DB_ROOT_PASSWORD_VERSION=v1
 SECRET_DB_PASSWORD_VERSION=v1
 
 # Mostly for compatibility with existing database dumps...
-WORDPRESS_TABLE_PREFIX=wp_
+#WORDPRESS_TABLE_PREFIX=wp_
 
 # Multisite
 #WORDPRESS_CONFIG_EXTRA="\
diff --git a/compose.yml b/compose.yml
index 16002a5..22ef512 100644
--- a/compose.yml
+++ b/compose.yml
@@ -19,7 +19,7 @@ services:
       WORDPRESS_DB_USER: wordpress
       WORDPRESS_DB_PASSWORD_FILE: /run/secrets/db_password
       WORDPRESS_DB_NAME: wordpress
-      WORDPRESS_TABLE_PREFIX: ${WORDPRESS_TABLE_PREFIX}
+      WORDPRESS_TABLE_PREFIX: ${WORDPRESS_TABLE_PREFIX:-wp_}
       PHP_EXTENSIONS: ${PHP_EXTENSIONS}
     secrets:
       - db_password