diff --git a/hashboot b/hashboot
index c590a15..425ca3f 100755
--- a/hashboot
+++ b/hashboot
@@ -96,7 +96,11 @@ if [ "${sectorsize}" == "=" ] # Older versions of util-linux
 then
     sectorsize=$(LC_ALL=C fdisk -l ${MBR_DEVICE} | grep '^Units' | awk '{print $9}' )
 fi
-startsector=$(LC_ALL=C fdisk -l ${MBR_DEVICE} | grep -A1 'Device' | tail -n1 | awk '{print $3}' )
+startsector=$(LC_ALL=C fdisk -l ${MBR_DEVICE} | grep -A1 'Device' | tail -n1 | awk '{print $2}' )
+if [ "${startsector}" == "*" ] # If partition is marked as boot, read next field
+then
+    startsector=$(LC_ALL=C fdisk -l ${MBR_DEVICE} | grep -A1 'Device' | tail -n1 | awk '{print $3}' )
+fi
 
 MBR_SIZE=$(expr ${sectorsize} \* ${startsector} / 1024)