diff --git a/services/usb/java/com/android/server/usb/UsbDeviceManager.java b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
index 5b7d81697c8c7..45b840ca976a0 100644
--- a/services/usb/java/com/android/server/usb/UsbDeviceManager.java
+++ b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
@@ -909,6 +909,8 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
                     if (!mScreenLocked && mScreenUnlockedFunctions != UsbManager.FUNCTION_NONE) {
                         // If the screen is unlocked, also set current functions.
                         setScreenUnlockedFunctions();
+                    } else {
+                        setEnabledFunctions(UsbManager.FUNCTION_NONE, false);
                     }
                     break;
                 case MSG_UPDATE_SCREEN_LOCK: