diff --git a/core/class/history.class.php b/core/class/history.class.php
index 48e1872a8f..c1ed749631 100644
--- a/core/class/history.class.php
+++ b/core/class/history.class.php
@@ -1032,9 +1032,9 @@ public function save($_cmd = null, $_direct = false) {
 			&& $this->getValue() !== null ) {
 			if ($this->getTableName() == 'history') {
 				$time = strtotime($this->getDatetime());
-				$time -= $time % $cmd->getConfiguration('smooth', config::byKey('history::smooth','core',0));
+				$time -= $time % $cmd->getConfiguration('history::smooth', config::byKey('history::smooth','core',0));
 				if ($this->getValue() == 0) {
-					$this->setDatetime(date('Y-m-d H:i:00', $time + $cmd->getConfiguration('smooth', config::byKey('history::smooth','core',0))));
+					$this->setDatetime(date('Y-m-d H:i:00', $time + $cmd->getConfiguration('history::smooth', config::byKey('history::smooth','core',0))));
 					$values = array(
 						'cmd_id' => $this->getCmd_id(),
 						'datetime' => date('Y-m-d H:i:00', strtotime($this->getDatetime())),