diff --git a/core/Makefile b/core/Makefile
index 24d4ad3..224c3cf 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -481,7 +481,7 @@
 endif
 ifdef with_dexpreopt
   # This file will set BUILT_SYSTEMIMAGE and SYSTEMIMAGE_SOURCE_DIR
-  include tools/dexpreopt/Config.mk
+  include build/tools/dexpreopt/Config.mk
 else
   BUILT_SYSTEMIMAGE := $(BUILT_SYSTEMIMAGE_UNOPT)
   SYSTEMIMAGE_SOURCE_DIR := $(TARGET_OUT)