diff --git a/backend/src/share/share.service.ts b/backend/src/share/share.service.ts
index cc3dd291..7489b202 100644
--- a/backend/src/share/share.service.ts
+++ b/backend/src/share/share.service.ts
@@ -229,6 +229,7 @@ export class ShareService {
     return shares.map((share) => {
       return {
         ...share,
+        size: share.files.reduce((acc, file) => acc + parseInt(file.size), 0),
         recipients: share.recipients.map((recipients) => recipients.email),
       };
     });