diff --git a/.travis.yml b/.travis.yml
index 1052c7b..d850c56 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ install:
 script:
   # Run with phpdbg or xdebug as soon as one of both doesn't segfault anymore
   - vendor/bin/phpunit --coverage-text --coverage-clover build/logs/clover.xml
-  - for f in examples/*.php; do echo $f && if ! php $f; then echo '!! failed !!' && exit 1; fi && echo "-------"; done
+  - (for f in examples/*.php; do echo $f && if ! php $f; then echo '!! failed !!' && exit 1; fi && echo "-------"; done)
   - PHP_CS_FIXER_IGNORE_ENV=1 php vendor/bin/php-cs-fixer --diff --dry-run -v fix
 
 after_script:
diff --git a/examples/2-echo.php b/examples/2-echo.php
index cd4a7ea..353f81a 100644
--- a/examples/2-echo.php
+++ b/examples/2-echo.php
@@ -4,7 +4,7 @@ require __DIR__ . '/../vendor/autoload.php';
 
 use function Amp\ParallelFunctions\parallelMap;
 use function Amp\Promise\wait;
-f
+
 // All output in the parallel environment is redirected to STDERR of the parent process automatically.
 // You might notice that the output order varies here when running it multiple times.
 wait(parallelMap([1, 2, 3], 'var_dump'));
\ No newline at end of file