diff --git a/xCAT/postscripts/enablekdump b/xCAT/postscripts/enablekdump
index 80c5b1732..d5750fddd 100755
--- a/xCAT/postscripts/enablekdump
+++ b/xCAT/postscripts/enablekdump
@@ -217,6 +217,10 @@ EOF
                    for i in $nfsvers
                    do
                        if [ $i -eq 3 ] && ! [ grep -w nfs /proc/filesystems >/dev/null 2>&1 ]; then
+                           if (pmatch $OSVER "rhel8*") || (pmatch $OSVER "rhels8*");then
+                               # For RHEL8 do not mount with vers=3 option
+                               continue
+                           fi
                            nfsver=3
                            break
                        elif [ $i -eq 4 ] && ! [ grep -w nfs4 /proc/filesystems >/dev/null 2>&1 ]; then