diff --git a/travis-build-scripts/test.sh b/travis-build-scripts/test.sh
index 9eebf84..031cfdf 100755
--- a/travis-build-scripts/test.sh
+++ b/travis-build-scripts/test.sh
@@ -17,7 +17,7 @@
 set -e
 
 # Use verbose test output
-TEST_OPTS_DOCKER="-v"
+export TEST_OPTS_DOCKER="-v"
 
 echo 'Testing Developer image...' && echo -en 'travis_fold:start:test-devserver\\r'
 make test-devserver