diff --git a/.changeset/tame-stingrays-hug.md b/.changeset/tame-stingrays-hug.md
new file mode 100644
index 00000000000..5f648cddede
--- /dev/null
+++ b/.changeset/tame-stingrays-hug.md
@@ -0,0 +1,5 @@
+---
+"@rocket.chat/meteor": patch
+---
+
+Fixes an issue where files containing exif data would fail to upload to S3 when `Message_Attachments_Strip_Exif` is enabled.
diff --git a/apps/meteor/app/api/server/v1/rooms.ts b/apps/meteor/app/api/server/v1/rooms.ts
index 0cecf5af2d3..b4d30d8cb0c 100644
--- a/apps/meteor/app/api/server/v1/rooms.ts
+++ b/apps/meteor/app/api/server/v1/rooms.ts
@@ -211,6 +211,7 @@ API.v1.addRoute(
 			if (stripExif) {
 				// No need to check mime. Library will ignore any files without exif/xmp tags (like BMP, ico, PDF, etc)
 				fileBuffer = await Media.stripExifFromBuffer(fileBuffer);
+				details.size = fileBuffer.length;
 			}
 
 			const fileStore = FileUpload.getStore('Uploads');
@@ -289,6 +290,7 @@ API.v1.addRoute(
 			if (stripExif) {
 				// No need to check mime. Library will ignore any files without exif/xmp tags (like BMP, ico, PDF, etc)
 				fileBuffer = await Media.stripExifFromBuffer(fileBuffer);
+				details.size = fileBuffer.length;
 			}
 
 			const fileStore = FileUpload.getStore('Uploads');