diff --git a/res/values/non_localizable_strings.xml b/res/values/non_localizable_strings.xml
index e84a69d8f..fc7a38e2b 100644
--- a/res/values/non_localizable_strings.xml
+++ b/res/values/non_localizable_strings.xml
@@ -16,7 +16,7 @@
- @string/tunnel_mode_entry_value_disabled
- @string/tunnel_mode_entry_value_3G_only
- @string/tunnel_mode_entry_value_always
- - @string/tunnel_mode_entry_value_auto
+ - @string/tunnel_mode_entry_value_auto
pref_tunnel_host_key
pref_tunnel_port_key
diff --git a/res/xml/preferences.xml b/res/xml/preferences.xml
index fd19988f2..6e95f2b2f 100644
--- a/res/xml/preferences.xml
+++ b/res/xml/preferences.xml
@@ -23,7 +23,8 @@
+ android:key="@string/pref_tunnel_port_key"
+ android:numeric="integer"/>