diff --git a/xCAT-server/share/xcat/netboot/rh/genimage b/xCAT-server/share/xcat/netboot/rh/genimage
index 035fd8751..e0c28e14e 100755
--- a/xCAT-server/share/xcat/netboot/rh/genimage
+++ b/xCAT-server/share/xcat/netboot/rh/genimage
@@ -590,7 +590,7 @@ sub generic_post { #This function is meant to leave the image in a state approxi
    print $cfgfile "#!/bin/bash\n"; 
    print $cfgfile "for i in `cat /proc/cmdline`; do\n"; 
    print $cfgfile '  KEY=`echo $i|cut -d= -f 1`'."\n";
-   print $cfgfile "  if [ \"\$KEY\" == \"console\" ]; then\n";
+   print $cfgfile "  if [ \"\$KEY\" == \"console\" && \"\$i\" != \"console=tty0\" ]; then\n";
    print $cfgfile "    VALUE=`echo \$i | cut -d= -f 2`\n"; 
    print $cfgfile "     COTTY=`echo \$VALUE|cut -d, -f 1`\n";
    print $cfgfile "     COSPEED=`echo \$VALUE|cut -d, -f 2|cut -dn -f 1`\n";
@@ -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\$COTTY:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
+   print $cfgfile "       echo xco: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 f7210cb21..253142953 100755
--- a/xCAT-server/share/xcat/netboot/sles/genimage
+++ b/xCAT-server/share/xcat/netboot/sles/genimage
@@ -672,14 +672,14 @@ sub generic_post { #This function is meant to leave the image in a state approxi
    print $cfgfile "#!/bin/bash\n"; 
    print $cfgfile "for i in `cat /proc/cmdline`; do\n"; 
    print $cfgfile '  KEY=`echo $i|cut -d= -f 1`'."\n";
-   print $cfgfile "  if [ \"\$KEY\" == \"console\" ]; then\n";
+   print $cfgfile "  if [ \"\$KEY\" == \"console\" && \"\$i\" != \"console=tty0\" ]; then\n";
    print $cfgfile "    VALUE=`echo \$i | cut -d= -f 2`\n"; 
    print $cfgfile "     COTTY=`echo \$VALUE|cut -d, -f 1`\n";
    print $cfgfile "     COSPEED=`echo \$VALUE|cut -d, -f 2|cut -dn -f 1`\n";
    print $cfgfile "     if echo \$VALUE | grep n8r; then\n";
    print $cfgfile "        FLOWFLAG=\"-h\"\n";
    print $cfgfile "     fi\n";
-   print $cfgfile "     echo xco\$COTTY:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
+   print $cfgfile "     echo xco: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 c65c6e435..c7148a300 100755
--- a/xCAT-server/share/xcat/netboot/suse/genimage
+++ b/xCAT-server/share/xcat/netboot/suse/genimage
@@ -672,14 +672,14 @@ sub generic_post { #This function is meant to leave the image in a state approxi
    print $cfgfile "#!/bin/bash\n"; 
    print $cfgfile "for i in `cat /proc/cmdline`; do\n"; 
    print $cfgfile '  KEY=`echo $i|cut -d= -f 1`'."\n";
-   print $cfgfile "  if [ \"\$KEY\" == \"console\" ]; then\n";
+   print $cfgfile "  if [ \"\$KEY\" == \"console\" && \"\$i\" != \"console=tty0\" ]; then\n";
    print $cfgfile "    VALUE=`echo \$i | cut -d= -f 2`\n"; 
    print $cfgfile "     COTTY=`echo \$VALUE|cut -d, -f 1`\n";
    print $cfgfile "     COSPEED=`echo \$VALUE|cut -d, -f 2|cut -dn -f 1`\n";
    print $cfgfile "     if echo \$VALUE | grep n8r; then\n";
    print $cfgfile "        FLOWFLAG=\"-h\"\n";
    print $cfgfile "     fi\n";
-   print $cfgfile "     echo xco\$COTTY:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
+   print $cfgfile "     echo xco:2345:respawn:/sbin/agetty \$FLOWFLAG \$COTTY \$COSPEED xterm >> /etc/inittab\n";
    print $cfgfile "     init q\n";
    print $cfgfile "  fi\n";
    print $cfgfile "done\n";