X-Git-Url: https://git.madduck.net/etc/mrsetup.git/blobdiff_plain/f2cc227e95530303ac6407fa15039eab9cbd771a..b24d4e25ad44234cf47781376228badeacddadce:/mrsetup

diff --git a/mrsetup b/mrsetup
index 41173f9..d52b4c0 100755
--- a/mrsetup
+++ b/mrsetup
@@ -19,7 +19,7 @@ MR_FGIT=.fgits/mr.git
 MR=.mr
 BIN_DIR=.bin
 
-if [ -z "$SSH_AUTH_SOCK" ]; then
+if [ -z "${SSH_AUTH_SOCK:-}" ]; then
   echo E: '$SSH_AUTH_SOCK' is not set. >&2
   exit 1
 fi