diff --git a/src/modules/Elsa.Expressions/Helpers/ObjectConverter.cs b/src/modules/Elsa.Expressions/Helpers/ObjectConverter.cs
index fbbc11518..fb5a42059 100644
--- a/src/modules/Elsa.Expressions/Helpers/ObjectConverter.cs
+++ b/src/modules/Elsa.Expressions/Helpers/ObjectConverter.cs
@@ -3,6 +3,7 @@ using System.ComponentModel;
 using System.Dynamic;
 using System.Globalization;
 using System.Text.Json;
+using System.Text.Json.Nodes;
 using System.Text.Json.Serialization;
 using Elsa.Expressions.Contracts;
 using Elsa.Expressions.Exceptions;
@@ -70,15 +71,22 @@ public static class ObjectConverter
         var underlyingTargetType = Nullable.GetUnderlyingType(targetType) ?? targetType;
         var underlyingSourceType = Nullable.GetUnderlyingType(sourceType) ?? sourceType;
 
-        if (value is JsonElement jsonNumber && jsonNumber.ValueKind == JsonValueKind.Number && underlyingTargetType == typeof(string))
+        if (value is JsonElement { ValueKind: JsonValueKind.Number } jsonNumber && underlyingTargetType == typeof(string))
             return jsonNumber.ToString().ConvertTo(underlyingTargetType);
 
-        if (value is JsonElement jsonObject)
+        if (value is JsonElement jsonElement)
         {
-            if (jsonObject.ValueKind == JsonValueKind.String && underlyingTargetType != typeof(string))
-                return jsonObject.GetString().ConvertTo(underlyingTargetType);
+            if (jsonElement.ValueKind == JsonValueKind.String && underlyingTargetType != typeof(string))
+                return jsonElement.GetString().ConvertTo(underlyingTargetType);
 
-            return jsonObject.Deserialize(targetType, options);
+            return jsonElement.Deserialize(targetType, options);
+        }
+
+        if (value is JsonObject jsonObject)
+        {
+            return underlyingTargetType == typeof(string)
+                ? jsonObject.ToString()
+                : jsonObject.Deserialize(targetType, options);
         }
 
         if (underlyingSourceType == typeof(string) && !underlyingTargetType.IsPrimitive && underlyingTargetType != typeof(object))