diff --git a/overlay/common/frameworks/base/packages/Keyguard/res/values/config.xml b/overlay/common/frameworks/base/packages/Keyguard/res/values/config.xml
index b07d685d..99b5dab1 100644
--- a/overlay/common/frameworks/base/packages/Keyguard/res/values/config.xml
+++ b/overlay/common/frameworks/base/packages/Keyguard/res/values/config.xml
@@ -24,4 +24,8 @@
     <!-- default to disabling the menu key. The CM setting to
          do this is a no-op unless the below item is true -->
     <bool name="config_disableMenuKeyInLockScreen">true</bool>
+
+    <!-- config for showing AM/PM on lock screen in 12hour format -->
+    <bool name="config_showAmpm">false</bool>
+
 </resources>