diff --git a/builds/any/installer/grub/builds/Makefile b/builds/any/installer/grub/builds/Makefile
index a89a27cd..933f727f 100644
--- a/builds/any/installer/grub/builds/Makefile
+++ b/builds/any/installer/grub/builds/Makefile
@@ -10,8 +10,20 @@ endif
 include $(ONL)/make/versions/version-onl.mk
 INSTALLER_NAME=$(FNAME_PRODUCT_VERSION)_ONL-OS_$(FNAME_BUILD_ID)_$(UARCH)_$(BOOTMODE)_INSTALLER
 
+MKINSTALLER_OPTS	= \
+  --arch $(ARCH) \
+  --boot-config boot-config \
+  --add-dir config \
+  --initrd onl-loader-initrd:$(ARCH) onl-loader-initrd-$(ARCH).cpio.gz \
+  --swi onl-swi:$(ARCH) \
+  --preinstall-script $(ONL)/builds/any/installer/sample-preinstall.sh \
+  --postinstall-script $(ONL)/builds/any/installer/sample-postinstall.sh \
+  --preinstall-plugin $(ONL)/builds/any/installer/sample-preinstall.py \
+  --postinstall-plugin $(ONL)/builds/any/installer/sample-postinstall.py \
+  # THIS LINE INTENTIONALLY LEFT BLANK
+
 __installer:
-	$(ONL)/tools/mkinstaller.py --arch $(ARCH) --boot-config boot-config --add-dir config --initrd onl-loader-initrd:$(ARCH) onl-loader-initrd-$(ARCH).cpio.gz --swi onl-swi:$(ARCH) --out $(INSTALLER_NAME)
+	$(ONL)/tools/mkinstaller.py $(MKINSTALLER_OPTS) --out $(INSTALLER_NAME)
 	md5sum "$(INSTALLER_NAME)" | awk '{ print $$1 }' > "$(INSTALLER_NAME).md5sum"