2 files changed, 3 insertions, 2 deletions

diff --git a/.travis.yml b/.travis.yml
index 36019b8..3004369 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ language: nix
 sudo: false
 
 install:
-  - nix-env -i python2.7-ansible python2.7-ansible-lint ShellCheck-0.6.0
+  - nix-env -i python2.7-ansible python2.7-ansible-lint ShellCheck-0.7.0
   - nix-env -if ./dhall-1.21.0.nix
 
   # Check ansible version
diff --git a/files/clever-set-domain.sh b/files/clever-set-domain.sh
index a6454df..a562703 100755
--- a/files/clever-set-domain.sh
+++ b/files/clever-set-domain.sh
@@ -3,7 +3,8 @@
 set -e
 
 function checkDomain {
-  clever domain | grep --ignore-case "${DOMAIN}"
+  # DNS domain names are case insensitive
+  clever domain | grep -i "${DOMAIN}"
 }
 
 function setDomain {