diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
index cdba24c..6cfa838 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
@@ -332,6 +332,7 @@
         lp.width = getResources().getDimensionPixelSize(R.dimen.keyguard_affordance_width);
         lp.height = getResources().getDimensionPixelSize(R.dimen.keyguard_affordance_height);
         mLockIcon.setLayoutParams(lp);
+        mLockIcon.setContentDescription(getContext().getText(R.string.accessibility_unlock_button));
         mLockIcon.update(true /* force */);
 
         lp = mLeftAffordanceView.getLayoutParams();