diff --git a/build/tasks/addonsu.mk b/build/tasks/addonsu.mk
index 9b367c1..8f96387 100644
--- a/build/tasks/addonsu.mk
+++ b/build/tasks/addonsu.mk
@@ -15,6 +15,7 @@
 	$(hide) cp $(ALL_MODULES.updater.BUILT) $(ADDONSU_INSTALL_OUT)/META-INF/com/google/android/update-binary
 	$(hide) cp $(ADDONSU_PREBUILTS_PATH)/51-addonsu.sh $(ADDONSU_INSTALL_OUT)/system/addon.d/
 	$(hide) cp $(ADDONSU_PREBUILTS_PATH)/mount-system.sh $(ADDONSU_INSTALL_OUT)/
+	$(hide) cp $(ADDONSU_PREBUILTS_PATH)/unmount-system.sh $(ADDONSU_INSTALL_OUT)/
 	$(hide) cp $(ADDONSU_PREBUILTS_PATH)/updater-script-install $(ADDONSU_INSTALL_OUT)/META-INF/com/google/android/updater-script
 	$(hide) (cd $(ADDONSU_INSTALL_OUT) && zip -qr $@ *)
 
@@ -31,6 +32,7 @@
 	$(hide) mkdir -p $(ADDONSU_REMOVE_OUT)/META-INF/com/google/android/
 	$(hide) cp $(ALL_MODULES.updater.BUILT) $(ADDONSU_REMOVE_OUT)/META-INF/com/google/android/update-binary
 	$(hide) cp $(ADDONSU_PREBUILTS_PATH)/mount-system.sh $(ADDONSU_REMOVE_OUT)/
+	$(hide) cp $(ADDONSU_PREBUILTS_PATH)/unmount-system.sh $(ADDONSU_REMOVE_OUT)/
 	$(hide) cp $(ADDONSU_PREBUILTS_PATH)/updater-script-remove $(ADDONSU_REMOVE_OUT)/META-INF/com/google/android/updater-script
 	$(hide) (cd $(ADDONSU_REMOVE_OUT) && zip -qr $@ *)