diff --git a/libs/PiwikTracker/PiwikTracker.php b/libs/PiwikTracker/PiwikTracker.php
index ab9077889927f6aa45474c02dfb0a40628c900f4..ec7cdcb4372c39da637aa91d1cf542f635f5837a 100644
--- a/libs/PiwikTracker/PiwikTracker.php
+++ b/libs/PiwikTracker/PiwikTracker.php
@@ -148,6 +148,8 @@ class PiwikTracker
     const CVAR_INDEX_ECOMMERCE_ITEM_NAME = 4;
     const CVAR_INDEX_ECOMMERCE_ITEM_CATEGORY = 5;
 
+    const DEFAULT_COOKIE_PATH = '/';
+
     /**
      * Builds a PiwikTracker object, used to track visits, pages and Goal conversions
      * for a specific website, by using the Piwik Tracking API.
@@ -200,7 +202,7 @@ class PiwikTracker
         $this->setNewVisitorId();
 
         $this->configCookiesDisabled = false;
-        $this->configCookiePath = '/';
+        $this->configCookiePath = self::DEFAULT_COOKIE_PATH;
         $this->configCookieDomain = '';
 
         $this->currentTs = time();
diff --git a/tests/PHPUnit/Fixtures/SomeVisitsCustomVariablesCampaignsNotHeuristics.php b/tests/PHPUnit/Fixtures/SomeVisitsCustomVariablesCampaignsNotHeuristics.php
index 0088f40fca44879594d2a54302b0345d554c3e0a..fd587ff2bc452df90e904a935ab253185f4f33dc 100644
--- a/tests/PHPUnit/Fixtures/SomeVisitsCustomVariablesCampaignsNotHeuristics.php
+++ b/tests/PHPUnit/Fixtures/SomeVisitsCustomVariablesCampaignsNotHeuristics.php
@@ -127,7 +127,8 @@ class Test_Piwik_Fixture_SomeVisitsCustomVariablesCampaignsNotHeuristics extends
     private function getFirstPartyCookieDomainHash()
     {
         $host = \Piwik\Url::getHost();
-        return substr(sha1( $host . '/'), 0, 4);
+        $cookiePath = PiwikTracker::DEFAULT_COOKIE_PATH;
+        return substr(sha1( $host . $cookiePath), 0, 4);
     }
 
     /**