diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index 6b3e8b67399..9f7f42c2659 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -2593,10 +2593,10 @@ class ExpenseReport extends CommonObject
 		//Clean
 		$qty = price2num($qty);
 
-		$sql  = " SELECT r.range_ik, t.offset, t.coef";
-		$sql .= " FROM ".MAIN_DB_PREFIX."c_exp_tax t";
+		$sql  = " SELECT r.range_ik, t.ikoffset as offset, t.coef";
+		$sql .= " FROM ".MAIN_DB_PREFIX."expensereport_ik t";
 		$sql .= " LEFT JOIN ".MAIN_DB_PREFIX."c_exp_tax_range r ON r.rowid = t.fk_range";
-		$sql .= " WHERE t.fk_cat = ".(int) $fk_cat;
+		$sql .= " WHERE t.fk_c_exp_tax_cat = ".(int) $fk_cat;
 		$sql .= " ORDER BY r.range_ik ASC";
 
 		dol_syslog("expenseReport::computeTotalkm sql=".$sql, LOG_DEBUG);