diff --git a/.changeset/spotty-mayflies-bathe.md b/.changeset/spotty-mayflies-bathe.md
new file mode 100644
index 0000000000..9a8095837b
--- /dev/null
+++ b/.changeset/spotty-mayflies-bathe.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/file-s3": patch
+---
+
+fix: do not apply prefix when getting file contents as buffer or stream
diff --git a/packages/modules/providers/file-s3/src/services/s3-file.ts b/packages/modules/providers/file-s3/src/services/s3-file.ts
index 4ddc0f1fcd..53e5e4fe05 100644
--- a/packages/modules/providers/file-s3/src/services/s3-file.ts
+++ b/packages/modules/providers/file-s3/src/services/s3-file.ts
@@ -247,7 +247,7 @@ export class S3FileService extends AbstractFileProviderService {
       )
     }
 
-    const fileKey = `${this.config_.prefix}${file.fileKey}`
+    const fileKey = file.fileKey
     const response = await this.client_.send(
       new GetObjectCommand({
         Key: fileKey,
@@ -266,7 +266,7 @@ export class S3FileService extends AbstractFileProviderService {
       )
     }
 
-    const fileKey = `${this.config_.prefix}${file.fileKey}`
+    const fileKey = file.fileKey
     const response = await this.client_.send(
       new GetObjectCommand({
         Key: fileKey,