diff --git a/ElectronNET.API/Entities/NativeImageJsonConverter.cs b/ElectronNET.API/Entities/NativeImageJsonConverter.cs
index a82c38e..9a2e4e5 100644
--- a/ElectronNET.API/Entities/NativeImageJsonConverter.cs
+++ b/ElectronNET.API/Entities/NativeImageJsonConverter.cs
@@ -19,12 +19,15 @@ namespace ElectronNET.API.Entities
 
         public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
         {
-            var dict = serializer.Deserialize<Dictionary<float, string>>(reader);
+            var dict = serializer.Deserialize<Dictionary<string, string>>(reader);
             var newDictionary = new Dictionary<float, Image>();
             foreach (var item in dict)
             {
-                var bytes = Convert.FromBase64String(item.Value);
-                newDictionary.Add(item.Key, Image.FromStream(new MemoryStream(bytes)));
+                if (float.TryParse(item.Key, out var size))
+                {
+                    var bytes = Convert.FromBase64String(item.Value);
+                    newDictionary.Add(size, Image.FromStream(new MemoryStream(bytes)));
+                }
             }
             return new NativeImage(newDictionary);
         }