diff --git a/Outpost/Features/Account/SettingsView.swift b/Outpost/Features/Account/SettingsView.swift
index b68cede..d125f2b 100644
--- a/Outpost/Features/Account/SettingsView.swift
+++ b/Outpost/Features/Account/SettingsView.swift
@@ -375,7 +375,7 @@ struct SettingsView: View {
                     ProgressView().controlSize(.small)
                 } else {
                     Picker("Language", selection: languageBinding) {
-                        ForEach(OutlineLocale.all) { locale in
+                        ForEach(displayedLocales) { locale in
                             Text(locale.label).tag(locale.code)
                         }
                     }
@@ -443,6 +443,20 @@ struct SettingsView: View {
         )
     }
 
+    /// `OutlineLocale.all` is a curated subset, not Outline's full list —
+    /// a self-hosted server can report a code we don't know about (seen
+    /// live: "en_GB"). `Picker` needs a `Text` for every possible selection
+    /// or it logs "invalid tag" and its displayed value goes undefined —
+    /// appending the current code here (using itself as the label, same
+    /// fallback `OutlineLocale.label(for:)` already uses) guarantees a
+    /// match no matter what the server sends.
+    private var displayedLocales: [OutlineLocale] {
+        guard let current = session.userLanguage, !OutlineLocale.all.contains(where: { $0.code == current }) else {
+            return OutlineLocale.all
+        }
+        return OutlineLocale.all + [OutlineLocale(code: current, label: OutlineLocale.label(for: current))]
+    }
+
     private var languageBinding: Binding<String> {
         Binding(
             get: { session.userLanguage ?? "en_US" },
diff --git a/Outpost/Support/OutlineLocale.swift b/Outpost/Support/OutlineLocale.swift
index 4099726..ab79106 100644
--- a/Outpost/Support/OutlineLocale.swift
+++ b/Outpost/Support/OutlineLocale.swift
@@ -13,6 +13,7 @@ struct OutlineLocale: Identifiable, Hashable {
 
     static let all: [OutlineLocale] = [
         OutlineLocale(code: "en_US", label: "English (US)"),
+        OutlineLocale(code: "en_GB", label: "English (UK)"),
         OutlineLocale(code: "de_DE", label: "Deutsch"),
         OutlineLocale(code: "fr_FR", label: "Français"),
         OutlineLocale(code: "es_ES", label: "Español"),