diff --git a/htdocs/compta/prelevement/fiche-stat.php b/htdocs/compta/prelevement/fiche-stat.php
index 0e9174ef034..9d70bc76a4e 100644
--- a/htdocs/compta/prelevement/fiche-stat.php
+++ b/htdocs/compta/prelevement/fiche-stat.php
@@ -141,7 +141,7 @@ if ($prev_id)
 			print price($row[0]);
 
 			print '</td><td align="right">';
-			print round($row[0]/$bon->amount*100,2)." %";
+			if ($bon->amount) print round($row[0]/$bon->amount*100,2)." %";
 			print '</td>';
 
 			print "</tr>\n";