diff --git a/package/base/sysfiles/postinstall.sh b/package/base/sysfiles/sbin_postinstall.sh
similarity index 100%
rename from package/base/sysfiles/postinstall.sh
rename to package/base/sysfiles/sbin_postinstall.sh
diff --git a/package/base/sysfiles/sysfiles.conf b/package/base/sysfiles/sysfiles.conf
index abf70a6c4..ab53776db 100644
--- a/package/base/sysfiles/sysfiles.conf
+++ b/package/base/sysfiles/sysfiles.conf
@@ -127,7 +127,7 @@ EOT
 	chmod +x $root/sbin/hwscan
 
 	echo "Installing postinstall ..."
-	cp -v $confdir/postinstall.sh $root/usr/sbin/postinstall
+	cp -v $confdir/sbin_postinstall.sh $root/usr/sbin/postinstall
 	chmod +x $root/usr/sbin/postinstall
 
 	echo "Installing 'system' init script ..."