diff --git a/.changeset/light-shirts-press.md b/.changeset/light-shirts-press.md
new file mode 100644
index 000000000..b1a18a25a
--- /dev/null
+++ b/.changeset/light-shirts-press.md
@@ -0,0 +1,5 @@
+---
+"@opennextjs/aws": patch
+---
+
+fix: add audio/flac to commonBinaryMimeTypes
diff --git a/packages/open-next/src/utils/binary.ts b/packages/open-next/src/utils/binary.ts
index cd305da87..4ca324285 100644
--- a/packages/open-next/src/utils/binary.ts
+++ b/packages/open-next/src/utils/binary.ts
@@ -27,6 +27,7 @@ const commonBinaryMimeTypes = new Set([
   "audio/3gpp",
   "audio/aac",
   "audio/basic",
+  "audio/flac",
   "audio/mpeg",
   "audio/ogg",
   "audio/wavaudio/webm",
diff --git a/packages/tests-unit/tests/binary.test.ts b/packages/tests-unit/tests/binary.test.ts
index 5d0faeeb0..8a147708f 100644
--- a/packages/tests-unit/tests/binary.test.ts
+++ b/packages/tests-unit/tests/binary.test.ts
@@ -39,6 +39,7 @@ describe("isBinaryContentType", () => {
     { type: "audio/3gpp", binary: true },
     { type: "audio/aac", binary: true },
     { type: "audio/basic", binary: true },
+    { type: "audio/flac", binary: true },
     { type: "audio/mpeg", binary: true },
     { type: "audio/ogg", binary: true },
     { type: "audio/wavaudio/webm", binary: true },