diff --git a/model_struct.go b/model_struct.go
index ed8e579f..3e43768d 100644
--- a/model_struct.go
+++ b/model_struct.go
@@ -103,7 +103,11 @@ func (scope *Scope) GetModelStruct() *ModelStruct {
 	if reflectValue.Kind() == reflect.Slice {
 		reflectValue = reflect.Indirect(reflect.New(reflectValue.Type().Elem()))
 	}
+
 	scopeType := reflectValue.Type()
+	if scopeType.Kind() == reflect.Ptr {
+		scopeType = scopeType.Elem()
+	}
 
 	if scopeType.Kind() != reflect.Struct {
 		return &modelStruct
diff --git a/scope.go b/scope.go
index 1185be9d..034f9e03 100644
--- a/scope.go
+++ b/scope.go
@@ -96,7 +96,7 @@ func (scope *Scope) HasError() bool {
 
 func (scope *Scope) PrimaryKeyField() *Field {
 	if field := scope.GetModelStruct().PrimaryKeyField; field != nil {
-		return scope.getField(field)
+		return scope.Fields()[field.DBName]
 	}
 	return nil
 }