diff --git a/drainpipe-dev/scaffold/nightwatch/chrome.settings.php b/drainpipe-dev/scaffold/nightwatch/chrome.settings.php
index 580c7caf..96d0ecb1 100644
--- a/drainpipe-dev/scaffold/nightwatch/chrome.settings.php
+++ b/drainpipe-dev/scaffold/nightwatch/chrome.settings.php
@@ -43,3 +43,8 @@
 $config['environment_indicator.indicator']['name'] = 'Chrome';
 $config['environment_indicator.indicator']['bg_color'] = '#FFCD46';
 $config['environment_indicator.indicator']['fg_color'] = '#000000';
+
+/**
+ * Cache prefix.
+ */
+$settings['cache_prefix']['default'] = 'chrome-prefix';
diff --git a/drainpipe-dev/scaffold/nightwatch/firefox.settings.php b/drainpipe-dev/scaffold/nightwatch/firefox.settings.php
index cdcf356e..ce1c03c8 100644
--- a/drainpipe-dev/scaffold/nightwatch/firefox.settings.php
+++ b/drainpipe-dev/scaffold/nightwatch/firefox.settings.php
@@ -43,3 +43,8 @@
 $config['environment_indicator.indicator']['name'] = 'Firefox';
 $config['environment_indicator.indicator']['bg_color'] = '#E66000';
 $config['environment_indicator.indicator']['fg_color'] = '#ffffff';
+
+/**
+ * Cache prefix.
+ */
+$settings['cache_prefix']['default'] = 'firefox-prefix';