diff --git a/src/core/Elsa.Abstractions/Design/IRuntimeSelectListProvider.cs b/src/core/Elsa.Abstractions/Design/IRuntimeSelectListProvider.cs
index 4e69a0e24..741aa185e 100644
--- a/src/core/Elsa.Abstractions/Design/IRuntimeSelectListProvider.cs
+++ b/src/core/Elsa.Abstractions/Design/IRuntimeSelectListProvider.cs
@@ -1,9 +1,10 @@
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace Elsa.Design;
-
-public interface IRuntimeSelectListProvider
+namespace Elsa.Design
 {
-    ValueTask<SelectList> GetSelectListAsync(object? context = default, CancellationToken cancellationToken = default);
+    public interface IRuntimeSelectListProvider
+    {
+        ValueTask<SelectList> GetSelectListAsync(object? context = default, CancellationToken cancellationToken = default);
+    }
 }
\ No newline at end of file
diff --git a/src/core/Elsa.Abstractions/Design/SelectList.cs b/src/core/Elsa.Abstractions/Design/SelectList.cs
index 53dfa23ce..fef283f1d 100644
--- a/src/core/Elsa.Abstractions/Design/SelectList.cs
+++ b/src/core/Elsa.Abstractions/Design/SelectList.cs
@@ -1,9 +1,10 @@
 using System.Collections.Generic;
 
-namespace Elsa.Design;
-
-public class SelectList
+namespace Elsa.Design
 {
-    public bool IsFlagsEnum { get; set; }
-    public ICollection<SelectListItem> Items { get; set; } = new List<SelectListItem>();
+    public class SelectList
+    {
+        public bool IsFlagsEnum { get; set; }
+        public ICollection<SelectListItem> Items { get; set; } = new List<SelectListItem>();
+    }
 }
\ No newline at end of file