diff --git a/usr.sbin/pc-sysinstall/backend-query/disk-part.sh b/usr.sbin/pc-sysinstall/backend-query/disk-part.sh
index 900cbca8c69..e5e73556597 100755
--- a/usr.sbin/pc-sysinstall/backend-query/disk-part.sh
+++ b/usr.sbin/pc-sysinstall/backend-query/disk-part.sh
@@ -60,14 +60,8 @@ if [ "$?" != "0" ] ; then
 fi
 
 # Display if this is GPT or MBR formatted
-gpart show ${1} | grep "GPT" >/dev/null 2>/dev/null
-if [ "$?" = "0" ] ; then
-  echo "${1}-format: GPT"
-  TYPE="GPT"
-else
-  echo "${1}-format: MBR"
-  TYPE="MBR"
-fi
+TYPE=`gpart show ${1} | awk '/^=>/ { printf("%s",$5); }'`
+echo "${1}-format: $TYPE"
 
 # Set some search flags
 PART="0"
diff --git a/usr.sbin/pc-sysinstall/backend/functions-disk.sh b/usr.sbin/pc-sysinstall/backend/functions-disk.sh
index 0b145918e2f..6ef1c84af89 100755
--- a/usr.sbin/pc-sysinstall/backend/functions-disk.sh
+++ b/usr.sbin/pc-sysinstall/backend/functions-disk.sh
@@ -180,12 +180,7 @@ get_disk_partitions()
     return
   fi
 
-  gpart show ${1} | grep "MBR" >/dev/null 2>/dev/null
-  if [ "$?" = "0" ] ; then
-    type="MBR"
-  else
-    type="GPT"
-  fi
+  type=`gpart show ${1} | awk '/^=>/ { printf("%s",$5); }'`
 
   SLICES="`gpart show ${1} | grep -v ${1} | grep -v ' free ' |tr -s '\t' ' ' | cut -d ' ' -f 4 | sed '/^$/d'`"
   for i in ${SLICES}