diff --git a/xCAT-server/share/xcat/netboot/rh/genimage b/xCAT-server/share/xcat/netboot/rh/genimage
index e0c28e14e..6371c0c8a 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\" && \"\$i\" != \"console=tty0\" ]; then\n";
+   print $cfgfile "  if [ \"\$KEY\" == \"console\" -a \"\$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";
diff --git a/xCAT-server/share/xcat/netboot/sles/genimage b/xCAT-server/share/xcat/netboot/sles/genimage
index 253142953..082bfad33 100755
--- a/xCAT-server/share/xcat/netboot/sles/genimage
+++ b/xCAT-server/share/xcat/netboot/sles/genimage
@@ -672,7 +672,7 @@ 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\" && \"\$i\" != \"console=tty0\" ]; then\n";
+   print $cfgfile "  if [ \"\$KEY\" == \"console\" -a \"\$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";
diff --git a/xCAT-server/share/xcat/netboot/suse/genimage b/xCAT-server/share/xcat/netboot/suse/genimage
index c7148a300..a75da5bac 100755
--- a/xCAT-server/share/xcat/netboot/suse/genimage
+++ b/xCAT-server/share/xcat/netboot/suse/genimage
@@ -672,7 +672,7 @@ 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\" && \"\$i\" != \"console=tty0\" ]; then\n";
+   print $cfgfile "  if [ \"\$KEY\" == \"console\" -a \"\$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";