diff --git a/xCAT/postscripts/xcataixpost b/xCAT/postscripts/xcataixpost
index c407fab85..478228f86 100755
--- a/xCAT/postscripts/xcataixpost
+++ b/xCAT/postscripts/xcataixpost
@@ -253,7 +253,7 @@ if (-f $scriptname)
 run_ps () {
  if [[ -f \\\$1 ]]; then
   echo \\"Running postscript: \\\$1\\"
-  OUTPUT=\\\`\\\$1 2>&1\\\`
+  OUTPUT=\\\`./\\\$1 2>&1\\\`
   if [[ -n \\\$OUTPUT ]]; then
     echo \\"\\\$OUTPUT\\"
   fi
diff --git a/xCAT/postscripts/xcatdsklspost b/xCAT/postscripts/xcatdsklspost
index 4787decf8..21b802e2e 100755
--- a/xCAT/postscripts/xcatdsklspost
+++ b/xCAT/postscripts/xcatdsklspost
@@ -238,7 +238,7 @@ echo "
 run_ps () { 
  if [[ -f \$1 ]]; then 
   echo \"Running postscript: \$1\"
-  OUTPUT=\`\$1 2>&1\`
+  OUTPUT=\`./\$1 2>&1\`
   if [[ -n \$OUTPUT ]]; then
     echo \"\$OUTPUT\"
   fi