diff --git a/.travis.yml b/.travis.yml
index e815b05..d947251 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ install:
   - pip install -U setuptools pip sphinx tox tox-travis
 
 script:
-  - ./bin/test-docker.sh
+  - ./bin/test_docker.sh
   - tox
   - ./bin/check_readme.sh
 
diff --git a/bin/test-docker.sh b/bin/test_docker.sh
similarity index 100%
rename from bin/test-docker.sh
rename to bin/test_docker.sh