diff --git a/phpgwapi/inc/class.schema_proc.inc.php b/phpgwapi/inc/class.schema_proc.inc.php
index fd80534edf..666db28c5c 100644
--- a/phpgwapi/inc/class.schema_proc.inc.php
+++ b/phpgwapi/inc/class.schema_proc.inc.php
@@ -325,7 +325,7 @@
 			{
 				foreach($table_def['fd'] as $col => $def)
 				{
-					if (strlower($col) == strtolower($OldColumnName))
+					if (strtolower($col) == strtolower($OldColumnName))
 					{
 						$old_def = $def;
 						break;