diff --git a/notwa-util/shed b/notwa-util/shed
index 2dd1f05..53a0440 100644
--- a/notwa-util/shed
+++ b/notwa-util/shed
@@ -1,11 +1,12 @@
 #!/usr/bin/env sh
 : \
  && f="${1?missing filename}" && shift \
- &&  for e in "$@" \
+ && for e in "$@" \
     ;do : \
-     && cp "$f" "$f.bak" && sed -i -e "$e" "$f" \
-     && { diff -q "$f" "$f.bak" >/dev/null; [ $? = 1 ] ;} \
+     && { cp "$f" "$f.bak" || exit ;} \
+     && sed -i -e "$e" "$f" \
+     && { diff -q "$f" "$f.bak" >/dev/null; x=$?; rm "$f.bak" || exit ;} \
+     && [ $x = 1 ] \
      || { printf >&2 '\033[91mfailed to apply sed:\033[m\n%s\n' "$e"; exit 1 ;} \
-     && rm "$f.bak" || exit \
     ;done \
 ;