diff --git a/core/Makefile b/core/Makefile
index 9946d42..1ec40a0 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -94,6 +94,8 @@
   $(error duplicate header copies are no longer allowed. For more information about headers, see: https://android.googlesource.com/platform/build/soong/+/master/docs/best_practices.md#headers)
 endif
 
+$(file >$(PRODUCT_OUT)/.copied_headers_list,$(TARGET_OUT_HEADERS) $(ALL_COPIED_HEADERS))
+
 # -----------------------------------------------------------------
 # docs/index.html
 ifeq (,$(TARGET_BUILD_APPS))