1 files changed, 12 insertions, 1 deletions
diff --git a/src/Mvc/Mvc.ApiExplorer/src/DefaultApiDescriptionProvider.cs b/src/Mvc/Mvc.ApiExplorer/src/DefaultApiDescriptionProvider.cs
index e189fdac07..ffe76751eb 100644
--- a/src/Mvc/Mvc.ApiExplorer/src/DefaultApiDescriptionProvider.cs
+++ b/src/Mvc/Mvc.ApiExplorer/src/DefaultApiDescriptionProvider.cs
@@ -658,12 +658,23 @@ public class DefaultApiDescriptionProvider : IApiDescriptionProvider
                 ModelMetadata = bindingContext.ModelMetadata,
                 Name = GetName(containerName, bindingContext),
                 Source = source,
-                Type = bindingContext.ModelMetadata.ModelType,
+                Type = GetModelType(bindingContext.ModelMetadata),
                 ParameterDescriptor = Parameter,
                 BindingInfo = bindingContext.BindingInfo
             };
         }
 
+        private static Type GetModelType(ModelMetadata metadata)
+        {
+            // IsParseableType || IsConvertibleType
+            if (!metadata.IsComplexType)
+            {
+                return EndpointModelMetadata.GetDisplayType(metadata.ModelType);
+            }
+
+            return metadata.ModelType;
+        }
+
         private static string GetName(string containerName, ApiParameterDescriptionContext metadata)
         {
             var propertyName = !string.IsNullOrEmpty(metadata.BinderModelName) ? metadata.BinderModelName : metadata.PropertyName;