diff --git a/src/Images/ImageHover.coffee b/src/Images/ImageHover.coffee
index 282dc0bf9..ee47c120e 100644
--- a/src/Images/ImageHover.coffee
+++ b/src/Images/ImageHover.coffee
@@ -11,7 +11,7 @@ ImageHover =
         cb:   @catalogNode
 
   node: ->
-    return unless @file and (@file.isImage or @file.isVideo)
+    return unless @file and (@file.isImage or @file.isVideo) and @file.thumb
     $.on @file.thumb, 'mouseover', ImageHover.mouseover @
 
   catalogNode: ->
diff --git a/src/Images/Volume.coffee b/src/Images/Volume.coffee
index 9abf46c3d..e089e19c8 100644
--- a/src/Images/Volume.coffee
+++ b/src/Images/Volume.coffee
@@ -61,7 +61,7 @@ Volume =
 
   node: ->
     return unless !BoardConfig.noAudio(@board.ID) and @file?.isVideo
-    $.on @file.thumb,                                 'wheel', Volume.wheel.bind(Header.hover)
+    $.on @file.thumb,                                 'wheel', Volume.wheel.bind(Header.hover) if @file.thumb
     $.on ($('.file-info', @file.text) or @file.link), 'wheel', Volume.wheel.bind(@file.thumbLink)
 
   catalogNode: ->