diff --git a/vpnsession.go b/vpnsession.go
index 28efcf9..056cbdd 100644
--- a/vpnsession.go
+++ b/vpnsession.go
@@ -215,7 +215,12 @@ func (c *vpnSession) Auth(s *OpenVpnMgt) {
 	case ok == 0:
 		cmd = []string{
 			fmt.Sprintf("client-auth %d %d", c.cID, c.kID),
-			fmt.Sprintf("ifconfig-push %s %s", ip, c.netmask),
+		}
+
+		if c.netmask == "255.255.255.255" {
+			cmd = apennd(cmd, fmt.Sprintf("ifconfig-push %s %s", ip, c.localIP))
+		} else {
+			cmd = apennd(cmd, fmt.Sprintf("ifconfig-push %s %s", ip, c.netmask))
 		}
 		for _, r := range s.ldap[c.Profile].routes {
 			cmd = append(cmd, fmt.Sprintf("push \"route %s vpn_gateway\"", r))