diff --git a/src/SplitTestsByGroups.php b/src/SplitTestsByGroups.php
index 4571404..8d2d8d8 100644
--- a/src/SplitTestsByGroups.php
+++ b/src/SplitTestsByGroups.php
@@ -83,7 +83,7 @@ public function run()
         $this->printTaskInfo("Processing ".count($tests)." tests");
         // splitting tests by groups
         foreach ($tests as $test) {
-            $groups[($i % $this->numGroups) + 1][] = \Codeception\TestCase::getTestFullName($test);
+            $groups[($i % $this->numGroups) + 1][] = \Codeception\Test\Descriptor::getTestFullName($test);
             $i++;
         }