diff --git a/request.go b/request.go
index 92cb2ec..b60968a 100644
--- a/request.go
+++ b/request.go
@@ -77,13 +77,17 @@ func unmarshalNode(data *Node, model reflect.Value, included *map[string]*Node)
 			return false
 		}
 
-		fieldValue := modelValue.Field(i)
 		fieldType := modelType.Field(i)
+		tag := fieldType.Tag.Get("jsonapi")
+		if tag == "" {
+			i += 1
+			return false
+		}
+
+		fieldValue := modelValue.Field(i)
 
 		i += 1
 
-		tag := fieldType.Tag.Get("jsonapi")
-
 		args := strings.Split(tag, ",")
 
 		if len(args) != 2 {
diff --git a/response.go b/response.go
index d00ba1e..9d42651 100644
--- a/response.go
+++ b/response.go
@@ -123,17 +123,21 @@ func visitModelNode(model interface{}, sideload bool) (*Node, []*Node, error) {
 
 	var i = 0
 	modelType.FieldByNameFunc(func(name string) bool {
-		fieldValue := modelValue.Field(i)
-		structField := modelType.Field(i)
-
-		i += 1
-
-		tag := structField.Tag.Get("jsonapi")
-
-		if tag == "" {
+		if er != nil {
 			return false
 		}
 
+		structField := modelType.Field(i)
+		tag := structField.Tag.Get("jsonapi")
+		if tag == "" {
+			i += 1
+			return false
+		}
+
+		fieldValue := modelValue.Field(i)
+
+		i += 1
+
 		args := strings.Split(tag, ",")
 
 		if len(args) != 2 {
diff --git a/response_test.go b/response_test.go
index f5c74f8..7ba5fa5 100644
--- a/response_test.go
+++ b/response_test.go
@@ -19,6 +19,7 @@ type Blog struct {
 }
 
 type Post struct {
+	Blog
 	Id            int        `jsonapi:"primary,posts"`
 	BlogId        int        `jsonapi:"attr,blog_id"`
 	Title         string     `jsonapi:"attr,title"`