diff --git a/xCAT-server/share/xcat/install/scripts/post.xcat b/xCAT-server/share/xcat/install/scripts/post.xcat
index fbcee31f5..6909e22f5 100644
--- a/xCAT-server/share/xcat/install/scripts/post.xcat
+++ b/xCAT-server/share/xcat/install/scripts/post.xcat
@@ -121,7 +121,7 @@ run_ps () {
   echo "\"\`date\` Running postscript: \$@\"" | tee -a \$logfile
   #./\$@ 2>&1 1> /tmp/tmp4xcatlog
   #cat /tmp/tmp4xcatlog | tee -a \$logfile
-  ./\$@ 2>&1 | tee -a $logfile
+  ./\$@ 2>&1 | tee -a \$logfile
   ret_local=\${PIPESTATUS[0]}
   if [ \"\$ret_local\" -ne \"0\" ]; then
      return_value=\$ret_local