diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java
index 5c49dd2b7039b..e776a98a029b7 100644
--- a/core/java/android/app/ContextImpl.java
+++ b/core/java/android/app/ContextImpl.java
@@ -710,7 +710,7 @@ class ContextImpl extends Context {
     @Override
     public SharedPreferences getSharedPreferences(String name, int mode) {
         SharedPreferencesImpl sp;
-        synchronized (mSync) {
+        synchronized (ContextImpl.class) {
             if (sSharedPrefs == null) {
                 sSharedPrefs = new ArrayMap<String, ArrayMap<String, SharedPreferencesImpl>>();
             }