diff --git a/xCAT-genesis-scripts/usr/bin/dodiscovery b/xCAT-genesis-scripts/usr/bin/dodiscovery
index c23f99fae..8e11133c5 100755
--- a/xCAT-genesis-scripts/usr/bin/dodiscovery
+++ b/xCAT-genesis-scripts/usr/bin/dodiscovery
@@ -95,7 +95,8 @@ if [ -r /sys/devices/virtual/dmi/id/product_name ]; then  #x86
 			FRU=`ipmitool fru print 0`
 			if [ $? -eq 0 ]; then
                                 MTM=`echo "$FRU" | awk -F': ' '/Product Manufacturer/ {m=$2} /Product Name|Product Part Number/ {if (n==""||n=="NONE") {n=$2}} END {print m":"n}'`
-			else
+			fi
+			if [ -z "$MTM" -o "$MTM" == ":" ]; then
 				logger -s -t $log_label -p local4.warning "Couldn't find MTM information in FRU, falling back to DMI (MTMS-based discovery may fail)"
 				m=`cat /sys/devices/virtual/dmi/id/sys_vendor`
 				n=`cat /sys/devices/virtual/dmi/id/product_name`