diff --git a/lib/controllers/share.js b/lib/controllers/share.js
index 1adb2d2..76b6ed8 100644
--- a/lib/controllers/share.js
+++ b/lib/controllers/share.js
@@ -250,7 +250,7 @@ export default function (_hostName, port, options) {
     }
     try {
       const content = await resolver(serviceOptions, id);
-      res.send(content);
+      res.set("Content-Type", "application/json").send(content);
     } catch (reason) {
       console.warn(JSON.stringify(reason.response, null, 2));
       res
diff --git a/spec/share-s3.spec.js b/spec/share-s3.spec.js
index fad9f29..7088e2d 100644
--- a/spec/share-s3.spec.js
+++ b/spec/share-s3.spec.js
@@ -74,7 +74,7 @@ describe("Share Module (e2e) - S3", () => {
 
     await supertestReq(app)
       .get("/share/s3-aqJr26G16vOvgbBGgrfzSYLIcy")
-      .expect(200, Buffer.from(JSON.stringify({ data: "test content" })));
+      .expect(200, { data: "test content" });
   });
 
   it('returns correct url in response when "newShareUrlPrefix" is empty string', async () => {
@@ -104,7 +104,7 @@ describe("Share Module (e2e) - S3", () => {
 
     await supertestReq(app)
       .get("/share/hBp74ADLrPU6flu0qu07Kyi1FM0")
-      .expect(200, Buffer.from(JSON.stringify({ data: "test content empty" })));
+      .expect(200, { data: "test content empty" });
   });
 
   it("should return 404 for non-existent share", async () => {