diff --git a/.travis.yml b/.travis.yml
index d894c91eb906c768eb9171c0b8196af3ab476d92..a3e0d71c40ee4a64bff02a5c3eb0ecfeb149573c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,8 @@ before_install:
 install:
   - pip install .
 before_script:
-  - psql -c 'create database mutalyzer_test;' -U postgres
-  - mysql -e 'create database mutalyzer_test;'
+  - psql -c 'DROP DATABASE IF EXISTS mutalyzer_test;' -U postgres
+  - psql -c 'CREATE DATABASE mutalyzer_test;' -U postgres
+  - mysql -e 'CREATE DATABASE IF NOT EXISTS mutalyzer_test;'
 script:
   - py.test