diff --git a/packages/SystemUI/src/com/android/systemui/people/widget/PeopleSpaceWidgetManager.java b/packages/SystemUI/src/com/android/systemui/people/widget/PeopleSpaceWidgetManager.java
index 18be0aa6580d0..8d3b7451c90b9 100644
--- a/packages/SystemUI/src/com/android/systemui/people/widget/PeopleSpaceWidgetManager.java
+++ b/packages/SystemUI/src/com/android/systemui/people/widget/PeopleSpaceWidgetManager.java
@@ -775,9 +775,13 @@ public class PeopleSpaceWidgetManager {
                 NotificationChannel channel,
                 int modificationType) {
             if (channel.isConversation()) {
-                updateWidgets(mAppWidgetManager.getAppWidgetIds(
-                        new ComponentName(mContext, PeopleSpaceWidgetProvider.class)
-                ));
+                mBgExecutor.execute(() -> {
+                    if (mUserManager.isUserUnlocked(user)) {
+                        updateWidgets(mAppWidgetManager.getAppWidgetIds(
+                                new ComponentName(mContext, PeopleSpaceWidgetProvider.class)
+                        ));
+                    }
+                });
             }
         }
     };
diff --git a/packages/SystemUI/tests/src/com/android/systemui/people/widget/PeopleSpaceWidgetManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/people/widget/PeopleSpaceWidgetManagerTest.java
index e0f27de1a6de6..e669d06970047 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/people/widget/PeopleSpaceWidgetManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/people/widget/PeopleSpaceWidgetManagerTest.java
@@ -481,6 +481,8 @@ public class PeopleSpaceWidgetManagerTest extends SysuiTestCase {
         int[] widgetIdsArray = {1};
         when(mAppWidgetManager.getAppWidgetIds(any())).thenReturn(widgetIdsArray);
 
+        when(mUserManager.isUserUnlocked(any())).thenReturn(true);
+
         NotificationChannel channel =
                 new NotificationChannel(TEST_CHANNEL_ID, TEST_CHANNEL_NAME, IMPORTANCE_DEFAULT);
         channel.setConversationId(TEST_PARENT_CHANNEL_ID, TEST_CONVERSATION_ID);
@@ -489,8 +491,25 @@ public class PeopleSpaceWidgetManagerTest extends SysuiTestCase {
                 UserHandle.getUserHandleForUid(0), channel, IMPORTANCE_HIGH);
         mClock.advanceTime(MIN_LINGER_DURATION);
 
-        verify(mAppWidgetManager, times(1)).updateAppWidget(anyInt(),
-                any());
+        verify(mAppWidgetManager, times(1)).updateAppWidget(anyInt(), any());
+    }
+
+    @Test
+    public void testOnNotificationChannelModified_userLocked() {
+        int[] widgetIdsArray = {1};
+        when(mAppWidgetManager.getAppWidgetIds(any())).thenReturn(widgetIdsArray);
+
+        when(mUserManager.isUserUnlocked(any())).thenReturn(false);
+
+        NotificationChannel channel =
+                new NotificationChannel(TEST_CHANNEL_ID, TEST_CHANNEL_NAME, IMPORTANCE_DEFAULT);
+        channel.setConversationId(TEST_PARENT_CHANNEL_ID, TEST_CONVERSATION_ID);
+
+        mNoMan.issueChannelModification(TEST_PACKAGE_A,
+                UserHandle.getUserHandleForUid(0), channel, IMPORTANCE_HIGH);
+        mClock.advanceTime(MIN_LINGER_DURATION);
+
+        verify(mAppWidgetManager, never()).updateAppWidget(anyInt(), any());
     }
 
     @Test