diff --git a/Android.mk b/Android.mk
index 6ca4633f9..0572f02da 100644
--- a/Android.mk
+++ b/Android.mk
@@ -16,6 +16,9 @@ LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
+LOCAL_SRC_FILES += \
+        src/com/android/exchange/ISyncManager.aidl \
+        src/com/android/exchange/ISyncManagerCallback.aidl
 
 LOCAL_PACKAGE_NAME := Email