diff --git a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
index 393771a9b4477..d837988163385 100644
--- a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
+++ b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
@@ -134,7 +134,8 @@ public class ExternalStorageProvider extends DocumentsProvider {
                     final VolumeInfo privateVol = mStorageManager.findPrivateForEmulated(volume);
                     title = mStorageManager.getBestVolumeDescription(privateVol);
                 }
-            } else if (volume.getType() == VolumeInfo.TYPE_PUBLIC) {
+            } else if (volume.getType() == VolumeInfo.TYPE_PUBLIC
+                    && volume.getMountUserId() == userId) {
                 rootId = volume.getFsUuid();
                 title = mStorageManager.getBestVolumeDescription(volume);
             } else {
diff --git a/services/core/java/com/android/server/MountService.java b/services/core/java/com/android/server/MountService.java
index d10a457747a30..91a38e93afcea 100644
--- a/services/core/java/com/android/server/MountService.java
+++ b/services/core/java/com/android/server/MountService.java
@@ -168,6 +168,11 @@ class MountService extends IMountService.Stub
             }
         }
 
+        @Override
+        public void onSwitchUser(int userHandle) {
+            mMountService.mCurrentUserId = userHandle;
+        }
+
         @Override
         public void onStartUser(int userHandle) {
             mMountService.onStartUser(userHandle);
@@ -307,6 +312,8 @@ class MountService extends IMountService.Stub
     @GuardedBy("mLock")
     private String mMoveTargetUuid;
 
+    private volatile int mCurrentUserId = UserHandle.USER_OWNER;
+
     private VolumeInfo findVolumeByIdOrThrow(String id) {
         synchronized (mLock) {
             final VolumeInfo vol = mVolumes.get(id);
@@ -1183,7 +1190,7 @@ class MountService extends IMountService.Stub
                 vol.mountFlags |= VolumeInfo.MOUNT_FLAG_VISIBLE;
             }
 
-            vol.mountUserId = UserHandle.USER_OWNER;
+            vol.mountUserId = mCurrentUserId;
             mHandler.obtainMessage(H_VOLUME_MOUNT, vol).sendToTarget();
 
         } else if (vol.type == VolumeInfo.TYPE_PRIVATE) {