diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index 377eb46..c84e618 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -583,4 +583,8 @@
     
     <!--Useful if you want to improve signal reception -->
     <bool name="config_ignoreRssnrSignalLevel">true</bool>
+
+    <!-- Whether device implements proximity sensor based checks to prevent
+         accidental unlocks when the screen is off. -->
+    <bool name="config_proximityCheckOnFpsUnlock">true</bool>
 </resources>