diff --git a/.travis.yml b/.travis.yml
index efe8e06b..aa6ec8b1 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,8 +30,9 @@ before_script:
 
 script:
   - export SQLITE_DSN=sqlite://./test
+  - export __DISABLED_PGSQL_DSN=pgsql://127.0.0.1/travis_ci_test
   - sh xp-run xp.unittest.TestRunner src/test/php
-  - export MYSQL_DSN=mysql+i://root@127.0.0.1/test
+  - export __DISABLED_MYSQL_DSN=mysql+x://root@127.0.0.1/test
   - sh xp-run xp.unittest.TestRunner rdbms.unittest.integration.MySQLIntegrationTest rdbms.unittest.integration.MySQLDeadlockTest
-  - export MYSQL_DSN=mysql+x://root@127.0.0.1/test
+  - export __DISABLED_MYSQL_DSN=mysql+i://root@127.0.0.1/test
   - sh xp-run xp.unittest.TestRunner rdbms.unittest.integration.MySQLIntegrationTest rdbms.unittest.integration.MySQLDeadlockTest