diff --git a/Makefile b/Makefile
index c58192a43..e1162c58b 100644
--- a/Makefile
+++ b/Makefile
@@ -44,28 +44,28 @@ dsk: md asm
 	$(CADIUS) ADDFILE build/"$(DISK)" "/$(VOLUME)/" "build/DFX.CONF" >>build/log
 	$(CADIUS) ADDFILE build/"$(DISK)" "/$(VOLUME)/" "build/CREDITS" >>build/log
 	rsync -aP res/title.hgr/* build/TITLE.HGR >>build/log
-	bin/buildfileinfo.py build/TITLE.HGR "06" "4000" >>build/log
+	bin/buildfileinfo.sh build/TITLE.HGR "06" "4000" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/TITLE.HGR" "build/TITLE.HGR" >>build/log
 	rsync -aP res/title.dhgr/* build/TITLE.DHGR >>build/log
-	bin/buildfileinfo.py build/TITLE.DHGR "06" "4000" >>build/log
+	bin/buildfileinfo.sh build/TITLE.DHGR "06" "4000" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/TITLE.DHGR" "build/TITLE.DHGR" >>build/log
 	rsync -aP res/action.hgr/* build/ACTION.HGR >>build/log
-	bin/buildfileinfo.py build/ACTION.HGR "06" "4000" >>build/log
+	bin/buildfileinfo.sh build/ACTION.HGR "06" "4000" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/ACTION.HGR" "build/ACTION.HGR" >>build/log
 	rsync -aP res/action.dhgr/* build/ACTION.DHGR >>build/log
-	bin/buildfileinfo.py build/ACTION.DHGR "06" "4000" >>build/log
+	bin/buildfileinfo.sh build/ACTION.DHGR "06" "4000" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/ACTION.DHGR" "build/ACTION.DHGR" >>build/log
 	rsync -aP res/action.gr/* build/ACTION.GR >>build/log
-	bin/buildfileinfo.py build/ACTION.GR "06" "6000" >>build/log
+	bin/buildfileinfo.sh build/ACTION.GR "06" "6000" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/ACTION.GR" "build/ACTION.GR" >>build/log
 	rsync -aP res/artwork.shr/* build/ARTWORK.SHR >>build/log
-	bin/buildfileinfo.py build/ARTWORK.SHR "C1" "2000" >>build/log
+	bin/buildfileinfo.sh build/ARTWORK.SHR "C1" "2000" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/ARTWORK.SHR" "build/ARTWORK.SHR" >>build/log
 	rsync -aP res/attract/* build/ATTRACT >>build/log
-	bin/buildfileinfo.py build/ATTRACT "04" "8000" >>build/log
+	bin/buildfileinfo.sh build/ATTRACT "04" "8000" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/ATTRACT" "build/ATTRACT" >>build/log
 	rsync -aP res/ss/* build/SS >>build/log
-	bin/buildfileinfo.py build/SS "04" "4000" >>build/log
+	bin/buildfileinfo.sh build/SS "04" "4000" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/SS" "build/SS" >>build/log
 	rsync -aP res/demo/* build/DEMO >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/DEMO" "build/DEMO" >>build/log
@@ -85,7 +85,7 @@ dsk: md asm
 	rm -f build/X/**/PRODOS*
 	rm -f build/X/**/LOADER.SYSTEM*
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/X" "build/X" >>build/log
-	bin/buildfileinfo.py build/PRELAUNCH "06" "0106" >>build/log
+	bin/buildfileinfo.sh build/PRELAUNCH "06" "0106" >>build/log
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/$(VOLUME)/PRELAUNCH" "build/PRELAUNCH" >>build/log
 	bin/changebootloader.py build/"$(DISK)" res/proboothd
 
diff --git a/bin/buildfileinfo.py b/bin/buildfileinfo.py
deleted file mode 100755
index 56a0eb631..000000000
--- a/bin/buildfileinfo.py
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/usr/bin/env python3
-
-import sys
-import os
-import os.path
-
-indir, intype, inaddress = sys.argv[1:]
-with open(os.path.join(indir, "_FileInformation.txt"), "w") as writer:
-    writer.write("\r\n".join(["%s=Type(%s),AuxType(%s),Access(C3)" % (f, intype, inaddress) for f in os.listdir(indir)]))
diff --git a/bin/buildfileinfo.sh b/bin/buildfileinfo.sh
new file mode 100755
index 000000000..7b64cac56
--- /dev/null
+++ b/bin/buildfileinfo.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+indir=$1
+intype=$2
+inaddress=$3
+cd "$indir"
+(for f in *; do
+    echo "$f=Type($intype),AuxType($inaddress),Access(C3)"
+done) > _FileInformation.txt