diff --git a/.travis.yml b/.travis.yml
index 981e012d..b6552e76 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ script:
   - yarn test --silent --coverage --coverageReporters=text-lcov | coveralls ; test ${PIPESTATUS[0]} -eq 0
 before_deploy:
   - npm install --global gitbook-cli lerna
-  - npm set registry "//registry.npmjs.org/:_authToken=\${NPM_TOKEN}"
+  - npm set registry "//registry.npmjs.org/:_authToken=${NPM_TOKEN}"
 deploy:
   provider: script
   skip_cleanup: true