diff --git a/bin/openfile b/bin/openfile
index 19cb077..a3163f3 100755
--- a/bin/openfile
+++ b/bin/openfile
@@ -1,8 +1,9 @@
 #!/bin/sh
 # Helps open a file with xdg-open from mutt in a external program without weird side effects.
+[ $(uname) = "Darwin" ] && opener="open" || opener="setsid xdg-open"
 base=$(basename "$1")
 ext="${base##*.}"
 file=$(mktemp -u --suffix=".$ext")
 rm -f "$file"
 cp "$1" "$file"
-setsid xdg-open "$file" >/dev/null 2>&1 &
+$opener "$file" >/dev/null 2>&1 &