diff --git a/app/views/asciicasts/_preview.html.slim b/app/views/asciicasts/_preview.html.slim
index 6583e92..954de26 100644
--- a/app/views/asciicasts/_preview.html.slim
+++ b/app/views/asciicasts/_preview.html.slim
@@ -5,7 +5,7 @@
         span.arrow
           span.glyphicon.glyphicon-play
       .thumbnail
-        = asciicast.thumbnail(60, 15)
+        = asciicast.thumbnail(100, 15)
 
     .info.clearfix
       h2