diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index ee18b8974bac8..7ea950aa8b1ee 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -5259,7 +5259,7 @@ public class ActivityManagerService extends IActivityManager.Stub
             storageManager.commitChanges();
         } catch (Exception e) {
             PowerManager pm = (PowerManager)
-                     mContext.getSystemService(Context.POWER_SERVICE);
+                     mInjector.getContext().getSystemService(Context.POWER_SERVICE);
             pm.reboot("Checkpoint commit failed");
         }