diff --git a/stylesheets/_conversation.scss b/stylesheets/_conversation.scss
index 2f6a0382..93cc27e3 100644
--- a/stylesheets/_conversation.scss
+++ b/stylesheets/_conversation.scss
@@ -440,6 +440,7 @@ li.entry .error-icon-container {
     video {
       background: black;
       min-height: 300px;
+      min-width: 240px;
     }
 
     img {
diff --git a/stylesheets/manifest.css b/stylesheets/manifest.css
index eb0faa3d..5342a623 100644
--- a/stylesheets/manifest.css
+++ b/stylesheets/manifest.css
@@ -1063,7 +1063,8 @@ li.entry .error-icon-container {
   .message-container .attachments video,
   .message-list .attachments video {
     background: black;
-    min-height: 300px; }
+    min-height: 300px;
+    min-width: 240px; }
   .message-container .attachments img,
   .message-list .attachments img {
     cursor: pointer; }