diff --git a/datamodels/2.x/itop-attachments/module.itop-attachments.php b/datamodels/2.x/itop-attachments/module.itop-attachments.php
index 3d3448b33..d7a446482 100644
--- a/datamodels/2.x/itop-attachments/module.itop-attachments.php
+++ b/datamodels/2.x/itop-attachments/module.itop-attachments.php
@@ -64,6 +64,7 @@ SetupWebPage::AddModule(
 			'allowed_classes' => array('Ticket'), // List of classes for which to manage "Attachments"
 			'position' => 'relations', // Where to display the attachments: relations | properties
 			'preview_max_width' => 290,
+			'icon_preview_max_size' => 500000, // Maximum size for attachment preview to be displayed as an icon. In bits
 		),
 	)
 );
diff --git a/datamodels/2.x/itop-attachments/renderers.itop-attachments.php b/datamodels/2.x/itop-attachments/renderers.itop-attachments.php
index 1c0d74c1d..679fd63e2 100644
--- a/datamodels/2.x/itop-attachments/renderers.itop-attachments.php
+++ b/datamodels/2.x/itop-attachments/renderers.itop-attachments.php
@@ -506,12 +506,14 @@ class TableDetailsAttachmentsRenderer extends AbstractAttachmentsRenderer
 		$sAttachmentThumbUrl = utils::GetAbsoluteUrlAppRoot().AttachmentPlugIn::GetFileIcon($sFileName);
 		$sIconClass = '';
 		$iMaxWidth = MetaModel::GetModuleSetting('itop-attachments', 'preview_max_width', 290);
+		$iMaxSizeForPreview = MetaModel::GetModuleSetting('itop-attachments', 'icon_preview_max_size', self::MAX_SIZE_FOR_PREVIEW);
+
 		$sPreviewNotAvailable = Dict::S('Attachments:PreviewNotAvailable');
 		$sPreviewMarkup = $sPreviewNotAvailable;
 		if ($oDoc->IsPreviewAvailable())
 		{
 			$sIconClass = ' preview';
-			if ($oDoc->GetSize() <= self::MAX_SIZE_FOR_PREVIEW)
+			if ($oDoc->GetSize() <= $iMaxSizeForPreview)
 			{
 				$sAttachmentThumbUrl = $sDocDownloadUrl;
 			}