diff --git a/app/models/video.rb b/app/models/video.rb
index 6e1dea1..21cd760 100644
--- a/app/models/video.rb
+++ b/app/models/video.rb
@@ -14,4 +14,8 @@ def thumbnail
       "https://img.youtube.com/vi/#{key}/hqdefault.jpg"
     end
   end
+
+  def thumbnail?
+    thumbnail.present?
+  end
 end
diff --git a/app/views/admin/shared/_media.html.erb b/app/views/admin/shared/_media.html.erb
index 99b0f3c..1387dfe 100644
--- a/app/views/admin/shared/_media.html.erb
+++ b/app/views/admin/shared/_media.html.erb
@@ -1,7 +1,7 @@
 <h3>Videos</h3>
 
 <ul class="media-grid" data-behavior="video-gallery">
-  <% instance.videos.each do |video| %>
+  <% instance.videos.select(&:thumbnail?).each do |video| %>
     <li>
       <figure class="fill zoom aspect-ratio-16x9">
         <%= link_to image_tag(video.thumbnail), video.url %>