diff --git a/.travis.yml b/.travis.yml
index 272cd95825..7b5f1cbbc4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ env:
   - secure: Kf44XQFpq2QGe3rn98Dsf5Uz3WXzPDralS54co7sqT5oQGs1mYLYZRYz+I75ZSo5ffZ86H7M+AI9YFofqGwAjBixBbqf1tGkUh3oZp2fN3QfqzazGV3HzC+o41zALG5FL+UBaURev9ChQ5fYeTtFB7YAzejHz4y5E97awk934Rg=
   - secure: QbNAu0jCaKrwjJi7KZtYEBA/pYbTJ91Y1x/eLAJpsamswVOvwnThA/TLYuux+oiZQCiDUpBzP3oxksIrEEUAhl0lMtqRFY3MrcUr+si9NIjX8hmoFwkvZ5o1b7pmLF6Vz3rQeP/EWMLcljLzEwsrRXeK0Ei2E4vFpsg8yz1YXJg=
   - TRAVIS_NODE_VERSION="4"
-  - CATS_BOT_BUILD=true
+
 cache:
   directories:
   - $HOME/.sbt/0.13/dependency
diff --git a/build.sbt b/build.sbt
index 8080755ac7..765b439ebf 100644
--- a/build.sbt
+++ b/build.sbt
@@ -91,7 +91,7 @@ lazy val commonJsSettings = Seq(
   requiresDOM := false,
   jsEnv := NodeJSEnv().value,
   // Only used for scala.js for now
-  botBuild := sys.props.getOrElse("CATS_BOT_BUILD", default="false") == "true",
+  botBuild := scala.sys.env.get("TRAVIS").isDefined,
   // batch mode decreases the amount of memory needed to compile scala.js code
   scalaJSOptimizerOptions := scalaJSOptimizerOptions.value.withBatchMode(botBuild.value)
 )