diff --git a/src/shared/components/post/create-post.tsx b/src/shared/components/post/create-post.tsx
index 9235e776b3..52a903817c 100644
--- a/src/shared/components/post/create-post.tsx
+++ b/src/shared/components/post/create-post.tsx
@@ -206,6 +206,7 @@ export class CreatePost extends Component<
           altText: locationState.altText,
           nsfw: locationState.nsfw,
           languageId: locationState.languageId,
+          customThumbnailUrl: locationState.customThumbnailUrl,
         });
         this.setState(s => ({ resetCounter: s.resetCounter + 1 }));
       }
diff --git a/src/shared/components/post/post-listing.tsx b/src/shared/components/post/post-listing.tsx
index 0ef6fa3f66..a3c9230663 100644
--- a/src/shared/components/post/post-listing.tsx
+++ b/src/shared/components/post/post-listing.tsx
@@ -916,7 +916,8 @@ export class PostListing extends Component<PostListingProps, PostListingState> {
   }
 
   get crossPostParams(): CrossPostParams {
-    const { name, url, alt_text, nsfw, language_id } = this.postView.post;
+    const { name, url, alt_text, nsfw, language_id, thumbnail_url } =
+      this.postView.post;
     const crossPostParams: CrossPostParams = { name };
 
     if (url) {
@@ -940,6 +941,10 @@ export class PostListing extends Component<PostListingProps, PostListingState> {
       crossPostParams.languageId = language_id;
     }
 
+    if (thumbnail_url) {
+      crossPostParams.customThumbnailUrl = thumbnail_url;
+    }
+
     return crossPostParams;
   }
 
diff --git a/src/shared/utils/types/cross-post-params.ts b/src/shared/utils/types/cross-post-params.ts
index e63e5c1a42..e38d305b76 100644
--- a/src/shared/utils/types/cross-post-params.ts
+++ b/src/shared/utils/types/cross-post-params.ts
@@ -7,4 +7,5 @@ export default interface CrossPostParams {
   altText?: string;
   nsfw?: StringBoolean;
   languageId?: number;
+  customThumbnailUrl?: string;
 }