diff --git a/tests/acceptance/nbd_scenarios b/tests/acceptance/nbd_scenarios
old mode 100644
new mode 100755
index 039cee5..239ed49
--- a/tests/acceptance/nbd_scenarios
+++ b/tests/acceptance/nbd_scenarios
@@ -1,6 +1,6 @@
 #!/usr/bin/ruby
 
-test_files = Dir[File.dirname( __FILE__ ) + "/test*.rb"]
+test_files = Dir[File.dirname(__FILE__) + '/test*.rb']
 for filename in test_files
   require filename
 end
diff --git a/tests/acceptance/test_write_during_migration.rb b/tests/acceptance/test_write_during_migration.rb
old mode 100755
new mode 100644