diff --git a/git-merge-octopus.sh b/git-merge-octopus.sh
index 89e967abec..d79fc84029 100755
--- a/git-merge-octopus.sh
+++ b/git-merge-octopus.sh
@@ -5,16 +5,12 @@
 # Resolve two or more trees.
 #
 
+. git-sh-setup
 . git-sh-i18n
 
 LF='
 '
 
-die () {
-    echo >&2 "$*"
-    exit 1
-}
-
 # The first parameters up to -- are merge bases; the rest are heads.
 bases= head= remotes= sep_seen=
 for arg