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 7ab09ba5..fe27e477 100644
--- a/overlay/common/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/common/frameworks/base/core/res/res/values/config.xml
@@ -170,5 +170,11 @@
     <string name="config_rawContactsLocalAccountType" translatable="false">com.android.contacts</string>
 
     <!-- Name of the font family to use in the default lockscreen clock -->
-    <string name="config_clockFontFamily" translatable="false" />
+    <string name="config_clockFontFamily" translatable="false">google-sans-clock</string>
+
+    <!-- Name of a font family to use as light font. For theming purpose. -->
+    <string name="config_lightFontFamily" translatable="false">google-sans-text</string>
+
+    <!-- Name of a font family to use as regular font. For theming purpose. -->
+    <string name="config_regularFontFamily" translatable="false">google-sans</string>
 </resources>