diff --git a/.changeset/fluffy-fireants-doubt.md b/.changeset/fluffy-fireants-doubt.md
new file mode 100644
index 00000000000..fe62e6ade2a
--- /dev/null
+++ b/.changeset/fluffy-fireants-doubt.md
@@ -0,0 +1,5 @@
+---
+"@aws-amplify/ui-react-ai": patch
+---
+
+fix(ai): remove unnecessary use of Buffer
diff --git a/packages/react-ai/src/components/AIConversation/views/Controls/FieldControl.tsx b/packages/react-ai/src/components/AIConversation/views/Controls/FieldControl.tsx
index 4f3ccdd00e5..d44b1e0606c 100644
--- a/packages/react-ai/src/components/AIConversation/views/Controls/FieldControl.tsx
+++ b/packages/react-ai/src/components/AIConversation/views/Controls/FieldControl.tsx
@@ -168,7 +168,7 @@ export const FieldControl: FieldControl = () => {
         const fileContent: ConversationMessageContent = {
           image: {
             format: getImageTypeFromMimeType(file.type),
-            source: { bytes: Uint8Array.from(Buffer.from(buffer)) },
+            source: { bytes: new Uint8Array(buffer) },
           },
         };
         submittedContent.push(fileContent);