diff --git a/tests/src/Util/ProfilerTest.php b/tests/src/Util/ProfilerTest.php
index 8ceb59ea5e..87796a2f37 100644
--- a/tests/src/Util/ProfilerTest.php
+++ b/tests/src/Util/ProfilerTest.php
@@ -196,6 +196,6 @@ class ProfilerTest extends MockedTest
 		$profiler = new Profiler(true, false);
 
 		$this->assertFalse($profiler->isRendertime());
-		self::assertEmpty($profiler->getRendertimeString());
+		$this->assertEmpty($profiler->getRendertimeString());
 	}
 }