From 5686d9a3bbb3330e5c5d37fce27430176496f431 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Fri, 29 Nov 2013 14:26:12 -0600
Subject: [PATCH] Addressing comments raised in #171

---
 nvm.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nvm.sh b/nvm.sh
index 70f90da..7feee24 100755
--- a/nvm.sh
+++ b/nvm.sh
@@ -206,7 +206,7 @@ nvm() {
         echo 'NVM Needs curl to proceed.' >&2;
       fi
 
-      if [ -z "`which shasum`" ]; then
+      if [ ! `\which shasum` ]; then
         shasum='sha1sum'
       fi