diff --git a/timesheet/inc/class.timesheet_wizard_import_csv.inc.php b/timesheet/inc/class.timesheet_wizard_import_csv.inc.php
index 0d7c0c688f..3ae5acc0df 100644
--- a/timesheet/inc/class.timesheet_wizard_import_csv.inc.php
+++ b/timesheet/inc/class.timesheet_wizard_import_csv.inc.php
@@ -60,6 +60,14 @@ class timesheet_wizard_import_csv extends importexport_wizard_basic_import_csv
 		);
 	}
 
+	function wizard_step40(&$content, &$sel_options, &$readonlys, &$preserv)
+	{
+		$result = parent::wizard_step40($content, $sel_options, $readonlys, $preserv);
+		// Hide category choice, replace is the only one that makes sense
+		$content['no_cats'] = true;
+		return $result;
+	}
+
 	function wizard_step45(&$content, &$sel_options, &$readonlys, &$preserv)
 	{
 		if($this->debug) error_log(__METHOD__.'->$content '.print_r($content,true));
@@ -92,7 +100,7 @@ class timesheet_wizard_import_csv extends importexport_wizard_basic_import_csv
 				'add' => lang('Add'),
 			);
 			$set_to = lang('Set to') . ':';
-			$categories = new categories('timesheet');
+			$categories = new categories('','timesheet');
 			$cat_list = array();
 			foreach((array)$categories->return_sorted_array(0,False,'','','',true) as $cat) {
 				$s = str_repeat(' ',$cat['level']) . stripslashes($cat['name']);