diff --git a/system/core/Benchmark.php b/system/core/Benchmark.php
index f6b634d..39027e8 100755
--- a/system/core/Benchmark.php
+++ b/system/core/Benchmark.php
@@ -61,7 +61,7 @@
 	 */
 	public function mark($name)
 	{
-		$this->marker[$name] = microtime();
+		$this->marker[$name] = microtime(TRUE);
 	}
 
 	// --------------------------------------------------------------------
@@ -93,13 +93,10 @@
 
 		if ( ! isset($this->marker[$point2]))
 		{
-			$this->marker[$point2] = microtime();
+			$this->marker[$point2] = microtime(TRUE);
 		}
 
-		list($sm, $ss) = explode(' ', $this->marker[$point1]);
-		list($em, $es) = explode(' ', $this->marker[$point2]);
-
-		return number_format(($em + $es) - ($sm + $ss), $decimals);
+		return number_format($this->marker[$point2] - $this->marker[$point1], $decimals);
 	}
 
 	// --------------------------------------------------------------------
@@ -122,4 +119,4 @@
 }
 
 /* End of file Benchmark.php */
-/* Location: ./system/core/Benchmark.php */
+/* Location: ./system/core/Benchmark.php */
\ No newline at end of file