diff --git a/.travis.yml b/.travis.yml
index d1354df9..ad573168 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ before_install:
     - psql -c 'CREATE DATABASE dibi_test' -U postgres
 
 install:
-    - travis_retry composer install --no-interaction --prefer-dist
+    - travis_retry composer install --no-progress --prefer-dist
 
 script:
     - vendor/bin/tester tests -s
@@ -29,9 +29,9 @@ jobs:
             php: 7.1
             install:
                 # Install Nette Code Checker
-                - travis_retry composer create-project nette/code-checker temp/code-checker ~2 --no-interaction
+                - travis_retry composer create-project nette/code-checker temp/code-checker ~2 --no-progress
                 # Install Nette Coding Standard
-                - travis_retry composer create-project nette/coding-standard temp/coding-standard --no-interaction
+                - travis_retry composer create-project nette/coding-standard temp/coding-standard --no-progress
             script:
                 - php temp/code-checker/src/code-checker.php --short-arrays --strict-types
                 - php temp/coding-standard/ecs check src tests examples --config temp/coding-standard/coding-standard-php71.neon
diff --git a/examples/connecting-to-databases.php b/examples/connecting-to-databases.php
index 4edd9f04..c9484548 100644
--- a/examples/connecting-to-databases.php
+++ b/examples/connecting-to-databases.php
@@ -77,7 +77,7 @@ try {
 		'driver' => 'odbc',
 		'username' => 'root',
 		'password' => '***',
-		'dsn' => 'Driver={Microsoft Access Driver (*.mdb)};Dbq='.__DIR__.'/data/sample.mdb',
+		'dsn' => 'Driver={Microsoft Access Driver (*.mdb)};Dbq=' . __DIR__ . '/data/sample.mdb',
 	]);
 	echo 'OK';
 } catch (Dibi\Exception $e) {
diff --git a/examples/using-substitutions.php b/examples/using-substitutions.php
index b6b741fc..75fc1bbb 100644
--- a/examples/using-substitutions.php
+++ b/examples/using-substitutions.php
@@ -41,6 +41,7 @@ function substFallBack($expr)
 	}
 }
 
+
 // define callback
 dibi::getSubstitutes()->setCallback('substFallBack');