diff --git a/htdocs/core/class/commoninvoice.class.php b/htdocs/core/class/commoninvoice.class.php
index 079a81e8b6e..ac6afab13a4 100644
--- a/htdocs/core/class/commoninvoice.class.php
+++ b/htdocs/core/class/commoninvoice.class.php
@@ -1159,7 +1159,7 @@ abstract class CommonInvoice extends CommonObject
 
 			$diff = $date_piece - $date_lim_current;
 
-			if ($diff < 0) {
+			if ($diff <= 0) {
 				$datelim = $date_lim_current;
 			} else {
 				$datelim = $date_lim_next;