diff --git a/core/java/android/app/Fragment.java b/core/java/android/app/Fragment.java
index c745644adf134..2a04c39f2c5a6 100644
--- a/core/java/android/app/Fragment.java
+++ b/core/java/android/app/Fragment.java
@@ -1033,7 +1033,8 @@ public class Fragment implements ComponentCallbacks2, OnCreateContextMenuListene
      *                        false if it is not.
      */
     public void setUserVisibleHint(boolean isVisibleToUser) {
-        if (!mUserVisibleHint && isVisibleToUser && mState < STARTED && isAdded()) {
+        if (!mUserVisibleHint && isVisibleToUser && mState < STARTED
+                && mFragmentManager != null && isAdded()) {
             mFragmentManager.performPendingDeferredStart(this);
         }
         mUserVisibleHint = isVisibleToUser;