diff --git a/htdocs/expensereport/card.php b/htdocs/expensereport/card.php
index c14edaa68da..7c32fefc61e 100644
--- a/htdocs/expensereport/card.php
+++ b/htdocs/expensereport/card.php
@@ -2597,13 +2597,14 @@ if ($action == 'create') {
 					}
 				});
 
-                /* price calculation */
+                /* unit price coéf calculation */
                 jQuery("#input_qty, #fk_c_type_fees, #select_fk_c_exp_tax_cat, #vatrate ").change(function(event) {
 
                     let type_fee = jQuery("#fk_c_type_fees").find(":selected").val();
                     let tax_cat = jQuery("#select_fk_c_exp_tax_cat").find(":selected").val();
                     let tva = jQuery("#vatrate").find(":selected").val();
                     let qty = jQuery("#input_qty").val();
+                    console.log(qty);
 
 
 					let path = "'.dol_buildpath("/expensereport/ajax/ajaxik.php", 1) .'";
@@ -2623,7 +2624,7 @@ if ($action == 'create') {
 
                                 jQuery("#value_unit_ht").val(response.data);
                                 }else{
-								  console.log(response.errorMessage)
+								 /* console.log(response.errorMessage) */
                                 }
 
 							},
diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index 4b8fc325f8e..5a08b8c18df 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -2562,15 +2562,16 @@ class ExpenseReport extends CommonObject
 	/**
 	 *  \brief Compute the cost of the kilometers expense based on the number of kilometers and the vehicule category
 	 *
-	 *  @param     fk_cat           Category of the vehicule used
-	 *  @param     qty              Number of kilometers
-	 *  @param     tva              VAT rate
+	 *  @param     $fk_cat           Category of the vehicule used
+	 *  @param     $qty              Number of kilometers
+	 *  @param     $tva              VAT rate
 	 *  @return    int              <0 if KO, total ttc if OK
 	 */
 	function computeTotalKm($fk_cat, $qty, $tva)
 	{
 		global $langs,$user,$db,$conf;
 
+
 		$total_ttc = 0;
 		$ranges = array();
 		$coef = 0;
@@ -2597,6 +2598,7 @@ class ExpenseReport extends CommonObject
 		$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;
 		$sql .= " ORDER BY r.range_ik ASC";
+		var_dump($sql);
 		dol_syslog("expenseReport::computeTotalkm sql=".$sql, LOG_DEBUG);
 
 		$result = $this->db->query($sql);
@@ -2614,6 +2616,7 @@ class ExpenseReport extends CommonObject
 
 				for ($i = 0; $i < $num; $i++) {
 					if ($i < ($num - 1)) {
+
 						if ($qty > $ranges[$i]->range && $qty < $ranges[$i+1]->range) {
 							$coef = $ranges[$i]->coef;
 							$offset = $ranges[$i]->offset;