diff --git a/src/core/Elsa.Core/Metadata/ActivityPropertyUIHintResolver.cs b/src/core/Elsa.Core/Metadata/ActivityPropertyUIHintResolver.cs
index cc668ed07..a26da1c6e 100644
--- a/src/core/Elsa.Core/Metadata/ActivityPropertyUIHintResolver.cs
+++ b/src/core/Elsa.Core/Metadata/ActivityPropertyUIHintResolver.cs
@@ -18,18 +18,18 @@ namespace Elsa.Metadata
             var type = activityPropertyInfo.PropertyType;
 
             if (type == typeof(bool) || type == typeof(bool?))
-                return ActivityPropertyUIHints.Checkbox;
+                return ActivityInputUIHints.Checkbox;
 
             if (type == typeof(string))
-                return ActivityPropertyUIHints.SingleLine;
+                return ActivityInputUIHints.SingleLine;
 
             if (typeof(IEnumerable).IsAssignableFrom(type))
-                return ActivityPropertyUIHints.Dropdown;
+                return ActivityInputUIHints.Dropdown;
 
             if (type.IsEnum || type.IsNullableType() && type.GetTypeOfNullable().IsEnum)
-                return ActivityPropertyUIHints.Dropdown;
+                return ActivityInputUIHints.Dropdown;
 
-            return ActivityPropertyUIHints.SingleLine;
+            return ActivityInputUIHints.SingleLine;
         }
     }
 }
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