diff --git a/etc/Android.mk b/etc/Android.mk
index 2b56cf0..2bbc883 100755
--- a/etc/Android.mk
+++ b/etc/Android.mk
@@ -68,7 +68,7 @@
 include $(BUILD_PREBUILT)
 
 
-ifeq ($(filter $(AB_OTA_UPDATER) $(PRODUCT_USE_DYNAMIC_PARTITIONS), true), true)
+ifneq ($(filter $(AB_OTA_UPDATER) $(PRODUCT_USE_DYNAMIC_PARTITIONS) $(TW_INCLUDE_CRYPTO), true),)
 	include $(CLEAR_VARS)
 	LOCAL_MODULE := hwservicemanager.rc
 	LOCAL_MODULE_TAGS := optional