diff --git a/core/Makefile b/core/Makefile
index de73a05..d71ea24 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -2874,6 +2874,7 @@
   $(TARGET_OUT)/framework/% \
   $(TARGET_OUT)/etc/boot-image.prof \
   $(TARGET_OUT)/etc/dirty-image-objects \
+  $(TARGET_OUT)/etc/preloaded-classes \
   $(TARGET_OUT)/etc/classpaths/%.pb, \
   $(ALL_GENERATED_SOURCES) $(ALL_DEFAULT_INSTALLED_MODULES)))