diff --git a/src/modules/Elsa.Workflows.Runtime/Entities/WorkflowExecutionLogRecord.cs b/src/modules/Elsa.Workflows.Runtime/Entities/WorkflowExecutionLogRecord.cs
index 87460d6b6..54c412db1 100644
--- a/src/modules/Elsa.Workflows.Runtime/Entities/WorkflowExecutionLogRecord.cs
+++ b/src/modules/Elsa.Workflows.Runtime/Entities/WorkflowExecutionLogRecord.cs
@@ -11,17 +11,17 @@ public class WorkflowExecutionLogRecord : Entity, ILogRecord
     /// <summary>
     /// The ID of the workflow definition.
     /// </summary>
-    public string WorkflowDefinitionId { get; set; } = default!;
+    public string WorkflowDefinitionId { get; set; } = null!;
     
     /// <summary>
     /// The version ID of the workflow definition.
     /// </summary>
-    public string WorkflowDefinitionVersionId { get; set; } = default!;
+    public string WorkflowDefinitionVersionId { get; set; } = null!;
     
     /// <summary>
     /// The ID of the workflow instance.
     /// </summary>
-    public string WorkflowInstanceId { get; set; } = default!;
+    public string WorkflowInstanceId { get; set; } = null!;
     
     /// <summary>
     /// The version of the workflow definition.
@@ -31,7 +31,7 @@ public class WorkflowExecutionLogRecord : Entity, ILogRecord
     /// <summary>
     /// The ID of the activity instance.
     /// </summary>
-    public string ActivityInstanceId { get; set; } = default!;
+    public string ActivityInstanceId { get; set; } = null!;
     
     /// <summary>
     /// The ID of the parent activity instance.
@@ -41,12 +41,12 @@ public class WorkflowExecutionLogRecord : Entity, ILogRecord
     /// <summary>
     /// The ID of the activity.
     /// </summary>
-    public string ActivityId { get; set; } = default!;
+    public string ActivityId { get; set; } = null!;
     
     /// <summary>
     /// The type of the activity.
     /// </summary>
-    public string ActivityType { get; set; } = default!;
+    public string ActivityType { get; set; } = null!;
 
     /// <summary>
     /// The version of the activity type.
@@ -61,7 +61,7 @@ public class WorkflowExecutionLogRecord : Entity, ILogRecord
     /// <summary>
     /// The unique ID of the node within the workflow graph.
     /// </summary>
-    public string ActivityNodeId { get; set; } = default!;
+    public string ActivityNodeId { get; set; } = null!;
 
     /// <summary>
     /// The time stamp of the log entry.