diff --git a/phpgwapi/inc/class.matrixview.inc.php b/phpgwapi/inc/class.matrixview.inc.php
index e0f946dfa5..e95e74f3ec 100644
--- a/phpgwapi/inc/class.matrixview.inc.php
+++ b/phpgwapi/inc/class.matrixview.inc.php
@@ -180,7 +180,7 @@
 		* disable selection of new timeframe
 		*
 		*/
-		function diableSelection ()
+		function disableSelection ()
 		{
 			$this->selection=0;
 		}