diff --git a/+POST_INSTALL b/+POST_INSTALL
index a5aafa85a..7eb4bfe7d 100644
--- a/+POST_INSTALL
+++ b/+POST_INSTALL
@@ -34,3 +34,6 @@ rm -f /etc/rc.shutdown.bak
 /usr/local/etc/rc.d/configd start
 
 /usr/local/etc/rc.configure_firmware
+
+# cerate a unique timestamp for our asset caching
+touch /usr/local/opnsense/www/index.php
diff --git a/Makefile b/Makefile
index 0eb675bc1..50e8f4e70 100644
--- a/Makefile
+++ b/Makefile
@@ -307,10 +307,6 @@ upgrade-check:
 upgrade: upgrade-check clean-pkgdir package
 	@${PKG} delete -fy ${CORE_NAME} || true
 	@${PKG} add ${PKGDIR}/*.${PKG_FORMAT}
-.if exists(${LOCALBASE}/opnsense/www/index.php)
-	# try to update the current system if it looks like one
-	@touch ${LOCALBASE}/opnsense/www/index.php
-.endif
 	@pluginctl webgui
 
 lint-shell: