diff --git a/bin/v-list-sys-config b/bin/v-list-sys-config
index 879c3ab3..52607672 100755
--- a/bin/v-list-sys-config
+++ b/bin/v-list-sys-config
@@ -51,7 +51,8 @@ json_list() {
         "MAIL_URL": "'$MAIL_URL'",
         "DB_PMA_URL": "'$DB_PMA_URL'",
         "DB_PGA_URL": "'$DB_PGA_URL'",
-        "SOFTACULOUS": "'$SOFTACULOUS'"
+        "SOFTACULOUS": "'$SOFTACULOUS'",
+        "MAX_DBUSER_LEN": "'$MAX_DBUSER_LEN'"
     }
 }'
 }