diff --git a/overlay/common/frameworks/base/core/res/res/values/config.xml b/overlay/common/frameworks/base/core/res/res/values/config.xml
index bcab6514..b547f9ba 100644
--- a/overlay/common/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/common/frameworks/base/core/res/res/values/config.xml
@@ -134,4 +134,8 @@
 
     <!-- Flag indicating which package name can access DeviceConfig table -->
     <string name="config_deviceConfiguratorPackageName" translatable="false">org.protonaosp.deviceconfig</string>
+
+    <!-- Remote server that can provide NTP responses. -->
+    <!-- gugelfrei -->
+    <string translatable="false" name="config_ntpServer">de.pool.ntp.org</string>
 </resources>