diff --git a/libraries/src/Profiler/Profiler.php b/libraries/src/Profiler/Profiler.php
index dbbf7437d6ea5..d68bd02f2da33 100644
--- a/libraries/src/Profiler/Profiler.php
+++ b/libraries/src/Profiler/Profiler.php
@@ -111,9 +111,9 @@ public function mark($label)
 
 		$m = (object) array(
 			'prefix' => $this->prefix,
-			'time' => ($current > $this->previousTime ? '+' : '-') . (($current - $this->previousTime) * 1000),
+			'time' => ($current > $this->previousTime ? '+' : '') . (($current - $this->previousTime) * 1000),
 			'totalTime' => ($current * 1000),
-			'memory' => ($currentMem > $this->previousMem ? '+' : '-') . ($currentMem - $this->previousMem),
+			'memory' => ($currentMem > $this->previousMem ? '+' : '') . ($currentMem - $this->previousMem),
 			'totalMemory' => $currentMem,
 			'label' => $label,
 		);