diff --git a/core/Makefile b/core/Makefile
index d0667e2..2c18022 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1378,6 +1378,7 @@
 	   --block \
 	   -p $(HOST_OUT) \
 	   -k $(KEY_CERT_PAIR) \
+	   $(if $(OEM_OTA_CONFIG), -o $(OEM_OTA_CONFIG)) \
 	   $(BUILT_TARGET_FILES_PACKAGE) $@
 
 .PHONY: otapackage