diff --git a/bin/mutt-md2html b/bin/mutt-md2html
--- a/bin/mutt-md2html
+++ b/bin/mutt-md2html
@@ -8,4 +8,4 @@ exec pandoc \
   --template=mail \
   --highlight-style=monochrome \
   --email-obfuscation=none \
-   $*
+  "$@"