diff --git a/src/define.sh b/src/define.sh
index 07c7c07..84e932a 100644
--- a/src/define.sh
+++ b/src/define.sh
@@ -580,6 +580,10 @@ configXP() {
   cp "$drivers/NetKVM/xp/$arch/netkvm.inf" "$dir/\$OEM\$/\$1/Drivers/NetKVM"
   cp "$drivers/NetKVM/xp/$arch/netkvm.sys" "$dir/\$OEM\$/\$1/Drivers/NetKVM"
 
+  if [ ! -f "$target/TXTSETUP.SIF" ]; then
+    error "The file TXTSETUP.SIF could not be found!" && return 1
+  fi
+
   sed -i '/^\[SCSI.Load\]/s/$/\nviostor=viostor.sys,4/' "$target/TXTSETUP.SIF"
   sed -i '/^\[SourceDisksFiles.'"$arch"'\]/s/$/\nviostor.sys=1,,,,,,4_,4,1,,,1,4/' "$target/TXTSETUP.SIF"
   sed -i '/^\[SCSI\]/s/$/\nviostor=\"Red Hat VirtIO SCSI Disk Device\"/' "$target/TXTSETUP.SIF"