diff --git a/Android.mk b/Android.mk
index 298b85d..8ae0350a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -797,7 +797,8 @@
     store_unknown_fields = true
 LOCAL_JAVA_LIBRARIES := core-oj core-libart
 LOCAL_SRC_FILES := \
-    $(call all-proto-files-under, core/proto)
+    $(call all-proto-files-under, core/proto) \
+    $(call all-proto-files-under, libs/incident/proto/android/os)
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
 
@@ -809,7 +810,8 @@
 LOCAL_PROTOC_FLAGS := \
     -Iexternal/protobuf/src
 LOCAL_SRC_FILES := \
-    $(call all-proto-files-under, core/proto)
+    $(call all-proto-files-under, core/proto) \
+    $(call all-proto-files-under, libs/incident/proto/android/os)
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
 # Include subdirectory makefiles