diff --git a/.travis.yml b/.travis.yml
index 6b32474..ee57ebf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,3 @@
 language: shell
 script:
-  - bash -c 'shopt -s globstar; shellcheck burrow'
+  - bash -c 'shopt -s globstar && shellcheck burrow'