diff --git a/opnsense-config-xml/src/data/opnsense.rs b/opnsense-config-xml/src/data/opnsense.rs
index fa5f985..be6920e 100644
--- a/opnsense-config-xml/src/data/opnsense.rs
+++ b/opnsense-config-xml/src/data/opnsense.rs
@@ -216,7 +216,7 @@ pub struct System {
     pub maximumfrags: Option<MaybeString>,
     pub aliasesresolveinterval: Option<MaybeString>,
     pub maximumtableentries: Option<MaybeString>,
-    pub language: String,
+    pub language: Option<String>,
     pub dnsserver: Option<MaybeString>,
     pub dns1gw: Option<String>,
     pub dns2gw: Option<String>,