diff --git a/api/get_cover_art.go b/api/get_cover_art.go
index f9e9a876f..227befb28 100644
--- a/api/get_cover_art.go
+++ b/api/get_cover_art.go
@@ -44,7 +44,6 @@ func (c *GetCoverArtController) Get() {
 		c.SendError(responses.ERROR_DATA_NOT_FOUND, "cover art not available")
 	}
 
-	c.Ctx.Output.ContentType("image/jpg")
 	c.Ctx.Output.Body(img)
 }
 
diff --git a/api/get_cover_art_test.go b/api/get_cover_art_test.go
index 8abf473fd..76cb43edb 100644
--- a/api/get_cover_art_test.go
+++ b/api/get_cover_art_test.go
@@ -43,12 +43,14 @@ func TestGetCoverArt(t *testing.T) {
 			_, w := getCoverArt("id=NOT_FOUND")
 
 			So(w.Body.Bytes(), ShouldMatchMD5, "963552b04e87a5a55e993f98a0fbdf82")
+			So(w.Header().Get("Content-Type"), ShouldEqual, "image/png")
 		})
 		Convey("When id is found", func() {
 			mockMediaFileRepo.SetData(`[{"Id":"2","HasCoverArt":true,"Path":"tests/fixtures/01 Invisible (RED) Edit Version.mp3"}]`, 1)
 			_, w := getCoverArt("id=2")
 
 			So(w.Body.Bytes(), ShouldMatchMD5, "e859a71cd1b1aaeb1ad437d85b306668")
+			So(w.Header().Get("Content-Type"), ShouldEqual, "image/jpeg")
 		})
 		Reset(func() {
 			mockMediaFileRepo.SetData("[]", 0)