diff --git a/overlay/frameworks/base/packages/SystemUI/res/values/config.xml b/overlay/frameworks/base/packages/SystemUI/res/values/config.xml
index bc4c115..b7161a2 100644
--- a/overlay/frameworks/base/packages/SystemUI/res/values/config.xml
+++ b/overlay/frameworks/base/packages/SystemUI/res/values/config.xml
@@ -54,4 +54,7 @@
         <item>0</item>
         <item>0</item>
     </integer-array>
+
+    <!-- Preferred max refresh rate at keyguard, if supported by the display. -->
+    <integer name="config_keyguardMaxRefreshRate">60</integer>
 </resources>