diff --git a/debbuild/DEBIAN/postinst b/debbuild/DEBIAN/postinst
index 8608534..d869c49 100644
--- a/debbuild/DEBIAN/postinst
+++ b/debbuild/DEBIAN/postinst
@@ -14,7 +14,6 @@ systemctl enable crontask.service
 systemctl enable sshsvc.service
 systemctl enable captrace.service
 systemctl daemon-reload
-apt-get install zip
 if ! id -u omc >/dev/null 2>&1 ; then     
     useradd -d /opt/omc -m -s /bin/bash -pomc123 omc; 
     mkdir -p /opt/omc/ftp
diff --git a/debbuild/DEBIAN/preinst b/debbuild/DEBIAN/preinst
new file mode 100644
index 0000000..11e37d5
--- /dev/null
+++ b/debbuild/DEBIAN/preinst
@@ -0,0 +1,5 @@
+# !/bin/sh
+
+apt-get install zip
+
+