diff --git a/config.js.template b/config.js.template
index 2ab1eff..1a585d8 100644
--- a/config.js.template
+++ b/config.js.template
@@ -70,7 +70,9 @@ const config = {
     initial_limit: 100, // This is the amount of page loads one IP address can make in one minute without getting limited.
     limit_after_limited: 30 // When an IP is limited, this is the amount of page loads the IP can make in one minute.
   },
-  valid_media_domains: ['preview.redd.it', 'external-preview.redd.it', 'i.redd.it', 'v.redd.it', 'a.thumbs.redditmedia.com', 'b.thumbs.redditmedia.com', 'emoji.redditmedia.com', 'styles.redditmedia.com', 'www.redditstatic.com', 'thumbs.gfycat.com', 'i.ytimg.com'],
+  valid_media_domains: process.env.VALID_MEDIA_DOMAINS
+    ? JSON.parse(process.env.VALID_MEDIA_DOMAINS)
+    : ['preview.redd.it', 'external-preview.redd.it', 'i.redd.it', 'v.redd.it', 'a.thumbs.redditmedia.com', 'b.thumbs.redditmedia.com', 'emoji.redditmedia.com', 'styles.redditmedia.com', 'www.redditstatic.com', 'thumbs.gfycat.com', 'i.ytimg.com'],
   valid_embed_video_domains: ['gfycat.com', 'youtube.com'],
   reddit_api_error_text: `Seems like your instance is either blocked (e.g. due to API rate limiting), reddit is currently down, or your API key is expired and not renewd properly. This can also happen for other reasons.`
 };
diff --git a/inc/processPostMedia.js b/inc/processPostMedia.js
index 52dc99e..18e4b9a 100644
--- a/inc/processPostMedia.js
+++ b/inc/processPostMedia.js
@@ -93,9 +93,12 @@ module.exports = function() {
             if(!gif_to_mp4) {
               if(post.preview) {
                 if(post.preview.reddit_video_preview) {
-                  if(post.preview.reddit_video_preview.fallback_url) {
+                  const url = post.domain === 'i.imgur.com'
+                    ? replaceDomains(post.url_overridden_by_dest.replace(/\.gifv$/, '.mp4'))
+                    : post.preview.reddit_video_preview.fallback_url;
+                  if(url) {
                     obj.media = {
-                      source: await downloadAndSave(post.preview.reddit_video_preview.fallback_url),
+                      source: await downloadAndSave(url),
                       height: post.preview.reddit_video_preview.height,
                       width: post.preview.reddit_video_preview.width,
                       duration: post.preview.reddit_video_preview.duration,