diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index f943a10..808c679 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -320,6 +320,7 @@
     // Callback is disabled by default
     mPreviewCallbackFlag = FRAME_CALLBACK_FLAG_NOOP;
     mOrientation = 0;
+    mOrientationChanged = false;
     mPlayShutterSound = true;
     cameraService->setCameraBusy(cameraId);
     cameraService->loadSound();
@@ -491,6 +492,7 @@
             // Force the destruction of any previous overlay
             sp<Overlay> dummy;
             mHardware->setOverlay(dummy);
+            mOverlayRef = 0;
         }
     }
     if (surface != 0) {
@@ -518,11 +520,12 @@
     CameraParameters params(mHardware->getParameters());
     params.getPreviewSize(&w, &h);
 
-    if (w != mOverlayW || h != mOverlayH) {
+    if (w != mOverlayW || h != mOverlayH || mOrientationChanged) {
         // Force the destruction of any previous overlay
         sp<Overlay> dummy;
         mHardware->setOverlay(dummy);
         mOverlayRef = 0;
+        mOrientationChanged = false;
     }
 
     status_t result = NO_ERROR;
@@ -802,6 +805,7 @@
 
 status_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
     LOG1("sendCommand (pid %d)", getCallingPid());
+    int orientation;
     Mutex::Autolock lock(mLock);
     status_t result = checkPidAndHardware();
     if (result != NO_ERROR) return result;
@@ -813,20 +817,24 @@
         }
         switch (arg1) {
             case 0:
-                mOrientation = ISurface::BufferHeap::ROT_0;
+                orientation = ISurface::BufferHeap::ROT_0;
                 break;
             case 90:
-                mOrientation = ISurface::BufferHeap::ROT_90;
+                orientation = ISurface::BufferHeap::ROT_90;
                 break;
             case 180:
-                mOrientation = ISurface::BufferHeap::ROT_180;
+                orientation = ISurface::BufferHeap::ROT_180;
                 break;
             case 270:
-                mOrientation = ISurface::BufferHeap::ROT_270;
+                orientation = ISurface::BufferHeap::ROT_270;
                 break;
             default:
                 return BAD_VALUE;
         }
+        if (mOrientation != orientation) {
+            mOrientation = orientation;
+            if (mOverlayRef != 0) mOrientationChanged = true;
+        }
         return OK;
     } else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) {
         switch (arg1) {
diff --git a/services/camera/libcameraservice/CameraService.h b/services/camera/libcameraservice/CameraService.h
index 2b5c511..d57364a 100644
--- a/services/camera/libcameraservice/CameraService.h
+++ b/services/camera/libcameraservice/CameraService.h
@@ -173,7 +173,9 @@
         int                             mOverlayW;
         int                             mOverlayH;
         int                             mPreviewCallbackFlag;
-        int                             mOrientation;
+        int                             mOrientation;     // Current display orientation
+        // True if display orientation has been changed. This is only used in overlay.
+        int                             mOrientationChanged;
         bool                            mPlayShutterSound;
 
         // Ensures atomicity among the public methods