diff --git a/.travis.yml b/.travis.yml
index 258081d19550b86d2ea1d9987f85bbc50d73b78e..4ea6a2b06e5c498a4c7add442704677b8e56459e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -101,7 +101,7 @@ matrix:
 before_install:
   - set -e
   - rustup self update
-  - if [ $REDOX ]; then ./.travis/redox-toolchain.sh; fi
+  - if [ $REDOX ]; then bash .travis/redox-toolchain.sh; fi
 
 install:
   - sh ci/install.sh