diff --git a/src/main/java/org/gcube/portlets/user/shareupdates/client/view/AttachmentPreviewer.java b/src/main/java/org/gcube/portlets/user/shareupdates/client/view/AttachmentPreviewer.java
index 3cc3b82..e32cf39 100644
--- a/src/main/java/org/gcube/portlets/user/shareupdates/client/view/AttachmentPreviewer.java
+++ b/src/main/java/org/gcube/portlets/user/shareupdates/client/view/AttachmentPreviewer.java
@@ -76,7 +76,7 @@ public class AttachmentPreviewer extends Composite {
 		this.fileNameLabel.setTitle(fileName);
 		this.imagePreview.setTitle(fileName);
 
-		fileName = fileName.length() > 36 ? fileName.substring(0, 33) + " ..." : fileName;		
+		fileName = fileName.length() > 26 ? fileName.substring(0, 22) + " ..." : fileName;		
 		this.fileNameLabel.setText(fileName);
 		// style the delete button
 		this.deleteAttachment.setStyleName("su-deleteAttachment");