diff --git a/inc/display.php b/inc/display.php
index c9f39731..af0ee89f 100644
--- a/inc/display.php
+++ b/inc/display.php
@@ -346,7 +346,7 @@ class Post {
 				$built .= ' ' . secure_link_confirm($config['mod']['link_deletefile'], _('Delete file'), _('Are you sure you want to delete this file?'), $board['dir'] . 'deletefile/' . $this->id);
 			
 			// Spoiler file (keep post)
-			if (!empty($this->file)  && $this->file != "deleted" && $this->file != null && $this->thumb != 'spoiler' && hasPermission($config['mod']['spoilerimage'], $board['uri'], $this->mod) && $config['spoiler_images'])
+			if (!empty($this->file)  && $this->file != 'deleted' && $this->thumb != 'spoiler' && hasPermission($config['mod']['spoilerimage'], $board['uri'], $this->mod) && $config['spoiler_images'])
 				$built .= ' ' . secure_link_confirm($config['mod']['link_spoilerimage'], 'Spoiler File', 'Are you sure you want to spoiler this file?', $board['uri'] . '/spoiler/' . $this->id);
 
 			// Edit post
@@ -451,7 +451,7 @@ class Thread {
 				$built .= ' ' . secure_link_confirm($config['mod']['link_deletefile'], _('Delete file'), _('Are you sure you want to delete this file?'), $board['dir'] . 'deletefile/' . $this->id);
 
 			// Spoiler file (keep post)
-			if (!empty($this->file)  && $this->file != "deleted" && $this->file != null && $this->thumb != 'spoiler' && hasPermission($config['mod']['spoilerimage'], $board['uri'], $this->mod) && $config['spoiler_images'])
+			if (!empty($this->file)  && $this->file != 'deleted' && $this->thumb != 'spoiler' && hasPermission($config['mod']['spoilerimage'], $board['uri'], $this->mod) && $config['spoiler_images'])
 				$built .= ' ' . secure_link_confirm($config['mod']['link_spoilerimage'], 'Spoiler File', 'Are you sure you want to spoiler this file?', $board['uri'] . '/spoiler/' . $this->id);
 			
 			// Sticky