diff --git a/.travis.yml b/.travis.yml
index c249ad83ef1bf331f2ddeac3640242715d6de030..3af24fb577ee5f19a7d8f6dea6c8fe0d906a39f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ install:
 
 script:
 # Build and upload on success
-- if $TRAVIS_PULL_REQUEST; then
+- if [ "${TRAVIS_PULL_REQUEST}" = "false"; then
     conda build recipe -q;
   else
     conda build --token $CONDA_UPLOAD_TOKEN recipe -q;