diff --git a/agent/device/rlt-1600g-w/mkdebian/debian/rlt-1600g-w.preinst b/agent/device/rlt-1600g-w/mkdebian/debian/rlt-1600g-w.preinst
index fd44b74..ab6c3b5 100755
--- a/agent/device/rlt-1600g-w/mkdebian/debian/rlt-1600g-w.preinst
+++ b/agent/device/rlt-1600g-w/mkdebian/debian/rlt-1600g-w.preinst
@@ -44,7 +44,7 @@
 
 rm -rf /run/bcm68650
 rm -rf /usr/local/lib/libz.so.1
-rm -rf /usr/local/lib/libbal_host_api.so
+rm -rf /usr/local/lib/libbal_host_api-oss.so
 rm -rf /usr/local/lib/libstdc++.so.6
 rm -f /etc/init.d/openolt
 rm -f /etc/init.d/dev_mgmt_daemon