diff --git a/models/datasources/array_source.php b/models/datasources/array_source.php
index 5d49857..1a98ddd 100644
--- a/models/datasources/array_source.php
+++ b/models/datasources/array_source.php
@@ -94,7 +94,7 @@ function read(&$model, $queryData = array()) {
 			);
 			return array($model->alias => array());
 		}
-		$startTime = getMicrotime();
+		$startTime = microtime(true);
 		$data = array();
 		$i = 0;
 		$limit = false;
@@ -208,7 +208,7 @@ function read(&$model, $queryData = array()) {
 				}
 			}
 		}
-		$this->_registerLog($model, $queryData, getMicrotime() - $startTime, count($data));
+		$this->_registerLog($model, $queryData, microtime(true) - $startTime, count($data));
 		if ($model->findQueryType === 'first') {
 			if (!isset($data[0])) {
 				return array();