diff --git a/htdocs/comm/propal/apercu.php b/htdocs/comm/propal/apercu.php
index 565e31ce3f7..d8259edcaea 100644
--- a/htdocs/comm/propal/apercu.php
+++ b/htdocs/comm/propal/apercu.php
@@ -202,7 +202,7 @@ elseif (file_exists($fileimagebis))
 {
 	$multiple = $relativepath . "-";
 
-	for ($i = 0; $i < $ret; $i++)
+	for ($i = 0; $i < 20; $i++)
 	{
 		$preview = $multiple.$i.'.png';
 
diff --git a/htdocs/commande/apercu.php b/htdocs/commande/apercu.php
index e7232249a87..6d2c9f4452c 100644
--- a/htdocs/commande/apercu.php
+++ b/htdocs/commande/apercu.php
@@ -211,7 +211,7 @@ elseif (file_exists($fileimagebis))
 {
 	$multiple = $relativepath . "-";
 	
-	for ($i = 0; $i < $ret; $i++)
+	for ($i = 0; $i < 20; $i++)
 	{
 		$preview = $multiple.$i.'.png';
 		
diff --git a/htdocs/compta/facture/apercu.php b/htdocs/compta/facture/apercu.php
index 096b83ac2fa..a24da1fd7ca 100644
--- a/htdocs/compta/facture/apercu.php
+++ b/htdocs/compta/facture/apercu.php
@@ -174,7 +174,6 @@ if ($id > 0 || ! empty($ref))
                 	print '<font class="error">'.$langs->trans("ErrorNoImagickReadimage").'</font>';
                 }
             }
-
         }
         print "</td></tr>";
 
@@ -229,7 +228,7 @@ elseif (file_exists($fileimagebis))
 {
 	$multiple = $relativepath . "-";
 	
-	for ($i = 0; $i < $ret; $i++)
+	for ($i = 0; $i < 20; $i++)
 	{
 		$preview = $multiple.$i.'.png';
 		
diff --git a/htdocs/fichinter/apercu.php b/htdocs/fichinter/apercu.php
index df90be9d4cf..fbef251823d 100644
--- a/htdocs/fichinter/apercu.php
+++ b/htdocs/fichinter/apercu.php
@@ -172,7 +172,7 @@ elseif (file_exists($fileimagebis))
 {
 	$multiple = $relativepath . "-";
 
-	for ($i = 0; $i < $ret; $i++)
+	for ($i = 0; $i < 20; $i++)
 	{
 		$preview = $multiple.$i.'.png';