diff --git a/src/install.sh b/src/install.sh
index af420a9..e780b67 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -583,6 +583,7 @@ prepareImage() {
 
   case "${DETECTED,,}" in
     "winxp"* )
+      DISK_TYPE="blk"
       BOOT_MODE="windows_legacy"
       prepareXP "$iso" "$dir" && return 0
       error "Failed to prepare Windows XP ISO!" && return 1