diff --git a/FarmmapsApi/Services/GeneralService.cs b/FarmmapsApi/Services/GeneralService.cs
index 97ca42f..0d698b9 100644
--- a/FarmmapsApi/Services/GeneralService.cs
+++ b/FarmmapsApi/Services/GeneralService.cs
@@ -6,7 +6,6 @@ using System.Threading.Tasks;
 using FarmmapsApi.Models;
 using Google.Apis.Upload;
 using Microsoft.Extensions.Logging;
-using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using static FarmmapsApi.Extensions;
 using static FarmmapsApiSamples.Constants;
@@ -73,7 +72,7 @@ namespace FarmmapsApi.Services
             {
                 request.attributes["resolution"] = resolution.ToString();
                 if(inputLayerNames.Length > 0)
-                    request.attributes["inputLayers"] = $"[{string.Join(",", inputLayerNames)}]";
+                    request.attributes["inputLayers"] = $"[{string.Join(",", inputLayerNames.Select(v => $"\"{v}\""))}]";
             });
 
             return await FindChildItemAsync(shapeItem.ParentCode, GEOTIFF_PROCESSED_ITEMTYPE, shapeItem.Name,