diff --git a/camera/libcameraservice/Android.mk b/camera/libcameraservice/Android.mk
index be78a62..ecaebff 100644
--- a/camera/libcameraservice/Android.mk
+++ b/camera/libcameraservice/Android.mk
@@ -25,6 +25,10 @@
 
 LOCAL_MODULE:= libcamerastub
 
+ifeq ($(TARGET_SIMULATOR),true)
+LOCAL_CFLAGS += -DSINGLE_PROCESS
+endif
+
 LOCAL_SHARED_LIBRARIES:= libui
 
 include $(BUILD_STATIC_LIBRARY)
@@ -48,7 +52,11 @@
 
 LOCAL_MODULE:= libcameraservice
 
-LOCAL_CFLAGS+=-DLOG_TAG=\"CameraService\"
+LOCAL_CFLAGS += -DLOG_TAG=\"CameraService\"
+
+ifeq ($(TARGET_SIMULATOR),true)
+LOCAL_CFLAGS += -DSINGLE_PROCESS
+endif
 
 ifeq ($(USE_CAMERA_STUB), true)
 LOCAL_STATIC_LIBRARIES += libcamerastub
diff --git a/camera/libcameraservice/CameraHardwareStub.h b/camera/libcameraservice/CameraHardwareStub.h
index efae935..dd3c706 100644
--- a/camera/libcameraservice/CameraHardwareStub.h
+++ b/camera/libcameraservice/CameraHardwareStub.h
@@ -67,8 +67,15 @@
     class PreviewThread : public Thread {
         CameraHardwareStub* mHardware;
     public:
-        PreviewThread(CameraHardwareStub* hw)
-            : Thread(false), mHardware(hw) { }
+        PreviewThread(CameraHardwareStub* hw) :
+#ifdef SINGLE_PROCESS
+            // In single process mode this thread needs to be a java thread,
+            // since we won't be calling through the binder.
+            Thread(true),
+#else
+            Thread(false),
+#endif
+              mHardware(hw) { }
         virtual void onFirstRef() {
             run("CameraPreviewThread", PRIORITY_URGENT_DISPLAY);
         }