diff --git a/xCAT-server/share/xcat/ib/scripts/configiba.2ports b/xCAT-server/share/xcat/ib/scripts/configiba.2ports
index 6d77edd7b..e6a4d9b9d 100644
--- a/xCAT-server/share/xcat/ib/scripts/configiba.2ports
+++ b/xCAT-server/share/xcat/ib/scripts/configiba.2ports
@@ -131,10 +131,9 @@ if ( $PLTFRM eq "Linux" ) {
     {
         updatefile("/etc/modprobe.conf", "options ib_ehca nr_ports=1");
         updatefile("/etc/modprobe.conf", "options ib_ehca lock_hcalls=0");
+        runcmd("echo 'options ib_ehca lock_hcalls=0' >> /etc/modprobe.conf");
     }
 
-    runcmd("echo 'options ib_ehca lock_hcalls=0' >> /etc/modprobe.conf");
-
     my $rdma_cmd = "/sbin/chkconfig --level 2345 $ib_driver on";
     runcmd($rdma_cmd);
     my $rdma_start_cmd = "/sbin/service $ib_driver restart";