diff --git a/scripts/ci b/scripts/ci
index 6919ef30f..a5449d22a 100755
--- a/scripts/ci
+++ b/scripts/ci
@@ -10,7 +10,7 @@ SHORT_SHA="${TRAVIS_COMMIT:0:7}"
 IMAGE_TAG="${SHORT_SHA}-${TRAVIS_BUILD_NUMBER}"
 IMAGE_TAR="${CACHE_DIR}/${IMAGE}-${IMAGE_TAG}.tar.gz"
 
-MYSQL_IMAGE="mysql:5.6"
+MYSQL_IMAGE="mysql:5.7"
 POSTGRES_IMAGE="postgres:9.6"
 
 export MYSQL_ROOT_PASSWORD="quay"
diff --git a/test/test_storageproxy.py b/test/test_storageproxy.py
index b0a4577d4..026b11f62 100644
--- a/test/test_storageproxy.py
+++ b/test/test_storageproxy.py
@@ -71,7 +71,7 @@ def app_reloader(liveserver, server_executor):
   yield
 
 
-@pytest.mark.skipif(os.environ.get('TEST_DATABASE_URI'),
+@pytest.mark.skipif(os.environ.get('TEST_DATABASE_URI') is not None,
                     reason="not supported for non SQLite testing")
 def test_storage_proxy_auth(storage, liveserver_app, liveserver_session, is_proxying_enabled,
                             app_reloader):