diff --git a/htdocs/compta/stats/index.php b/htdocs/compta/stats/index.php
index 64d115b6b4a..cd17fbba233 100644
--- a/htdocs/compta/stats/index.php
+++ b/htdocs/compta/stats/index.php
@@ -388,11 +388,10 @@ for ($mois = 1+$nb_mois_decalage ; $mois <= 12+$nb_mois_decalage ; $mois++)
 			}
 
 			if ($annee_decalage < $year_end || ($annee_decalage == $year_end && $mois > 12 && $annee < $year_end)) print '<td width="15">&nbsp;</td>';
-
 		}
 
-		$total_ht[$annee]+=!empty($cum_ht[$case]) ? $cum_ht[$case] : 0;
-		$total[$annee]+=$cum[$case];
+		$total_ht[$annee] += ((! empty($cum_ht[$case])) ? $cum_ht[$case] : 0);
+		$total[$annee] += $cum[$case];
 	}
 
 	print '</tr>';