diff --git a/Emby.Server.Implementations/Services/ResponseHelper.cs b/Emby.Server.Implementations/Services/ResponseHelper.cs
index 3c2af60db0..228ae787c0 100644
--- a/Emby.Server.Implementations/Services/ResponseHelper.cs
+++ b/Emby.Server.Implementations/Services/ResponseHelper.cs
@@ -86,6 +86,12 @@ private static async Task WriteToResponseInternal(IResponse response, object res
                         continue;
                     }
 
+                    if (string.Equals(responseHeaders.Key, "Content-Type", StringComparison.OrdinalIgnoreCase))
+                    {
+                        response.ContentType = responseHeaders.Value;
+                        continue;
+                    }
+
                     response.AddHeader(responseHeaders.Key, responseHeaders.Value);
                 }
             }