diff --git a/xCAT-server/share/xcat/netboot/rh/genimage b/xCAT-server/share/xcat/netboot/rh/genimage
index 4c89350c9..035fd8751 100755
--- a/xCAT-server/share/xcat/netboot/rh/genimage
+++ b/xCAT-server/share/xcat/netboot/rh/genimage
@@ -600,7 +600,7 @@ sub generic_post { #This function is meant to leave the image in a state approxi
    print $cfgfile "     if [ -x /sbin/initctl ]; then\n"; #Upstart style
    print $cfgfile "        initctl emit --no-wait fedora.serial-console-available \$COTTY \$COSPEED\n";
    print $cfgfile "     else\n";
-   print $cfgfile "       echo xco:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
+   print $cfgfile "       echo xco\$COTTY:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
    print $cfgfile "        init q\n";
    print $cfgfile "     fi\n";
    print $cfgfile "  fi\n";
diff --git a/xCAT-server/share/xcat/netboot/sles/genimage b/xCAT-server/share/xcat/netboot/sles/genimage
index b47c3d1d6..f7210cb21 100755
--- a/xCAT-server/share/xcat/netboot/sles/genimage
+++ b/xCAT-server/share/xcat/netboot/sles/genimage
@@ -679,7 +679,7 @@ sub generic_post { #This function is meant to leave the image in a state approxi
    print $cfgfile "     if echo \$VALUE | grep n8r; then\n";
    print $cfgfile "        FLOWFLAG=\"-h\"\n";
    print $cfgfile "     fi\n";
-   print $cfgfile "     echo xco:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
+   print $cfgfile "     echo xco\$COTTY:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
    print $cfgfile "     init q\n";
    print $cfgfile "  fi\n";
    print $cfgfile "done\n";
diff --git a/xCAT-server/share/xcat/netboot/suse/genimage b/xCAT-server/share/xcat/netboot/suse/genimage
index fe7601e9b..c65c6e435 100755
--- a/xCAT-server/share/xcat/netboot/suse/genimage
+++ b/xCAT-server/share/xcat/netboot/suse/genimage
@@ -679,7 +679,7 @@ sub generic_post { #This function is meant to leave the image in a state approxi
    print $cfgfile "     if echo \$VALUE | grep n8r; then\n";
    print $cfgfile "        FLOWFLAG=\"-h\"\n";
    print $cfgfile "     fi\n";
-   print $cfgfile "     echo xco:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
+   print $cfgfile "     echo xco\$COTTY:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
    print $cfgfile "     init q\n";
    print $cfgfile "  fi\n";
    print $cfgfile "done\n";