diff --git a/resolver.go b/resolver.go
index 21b26bb..300a08c 100644
--- a/resolver.go
+++ b/resolver.go
@@ -180,7 +180,7 @@ func (r *resolver) resolve(f ResolveCallback) error {
 				// check if all ResolveValue fields were resolved.
 				if _, ok := fieldValue.(ResolveValue); ok {
 					if rv, ok := ctx.resolved[fieldName]; ok {
-						if rgen, ok := fieldValue.(ResolveGenerate); ok {
+						if rgen, ok := fieldValue.(*ResolveGenerate); ok {
 							rv, err = r.parseResolvedValue(rgen.Type, rv)
 							if err != nil {
 								return errors.Join(ResolveCallbackError,
diff --git a/resolver_test.go b/resolver_test.go
index 8e0981d..b562cd2 100644
--- a/resolver_test.go
+++ b/resolver_test.go
@@ -5,6 +5,7 @@ import (
 	"testing"
 	"testing/fstest"
 
+	"github.com/google/uuid"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 )
@@ -330,3 +331,71 @@ func TestResolveReturnResolved(t *testing.T) {
 	assert.Assert(t, is.Len(retData.Tables["tags"].Rows, 1))
 	assert.Equal(t, 935, retData.Tables["tags"].Rows[0].Fields["tag_id"])
 }
+
+func TestResolveGeneratedWithType(t *testing.T) {
+	provider := NewFSFileProvider(fstest.MapFS{
+		"users.dbf.yaml": &fstest.MapFile{
+			Data: []byte(`tags:
+  rows:
+    - tag_id: !dbfexpr generated:int
+      tag_name: "All"
+`),
+		},
+	})
+
+	data, err := Load(provider)
+	assert.NilError(t, err)
+
+	rowCount := map[string]int{}
+
+	resolved, err := Resolve(data, func(ctx ResolveContext, fields map[string]any) error {
+		rowCount[ctx.TableID()]++
+		assert.DeepEqual(t, &ResolveGenerate{Type: "int"}, fields["tag_id"])
+		ctx.ResolveField("tag_id", "45")
+		return nil
+	})
+	assert.NilError(t, err)
+
+	assert.DeepEqual(t, map[string]int{
+		"tags": 1,
+	}, rowCount)
+
+	assert.DeepEqual(t, map[string]any{
+		"tag_id":   int64(45),
+		"tag_name": "All",
+	}, resolved.Tables["tags"].Rows[0].Fields)
+}
+
+func TestResolveGeneratedWithUUIDType(t *testing.T) {
+	provider := NewFSFileProvider(fstest.MapFS{
+		"users.dbf.yaml": &fstest.MapFile{
+			Data: []byte(`tags:
+  rows:
+    - tag_id: !dbfexpr generated:uuid
+      tag_name: "All"
+`),
+		},
+	})
+
+	data, err := Load(provider)
+	assert.NilError(t, err)
+
+	rowCount := map[string]int{}
+
+	resolved, err := Resolve(data, func(ctx ResolveContext, fields map[string]any) error {
+		rowCount[ctx.TableID()]++
+		assert.DeepEqual(t, &ResolveGenerate{Type: "uuid"}, fields["tag_id"])
+		ctx.ResolveField("tag_id", "305e1f2b-dfea-4939-862a-069abace0a40")
+		return nil
+	}, WithResolvedValueParser(&ResolvedValueParserUUID{}))
+	assert.NilError(t, err)
+
+	assert.DeepEqual(t, map[string]int{
+		"tags": 1,
+	}, rowCount)
+
+	assert.DeepEqual(t, map[string]any{
+		"tag_id":   uuid.MustParse("305e1f2b-dfea-4939-862a-069abace0a40"),
+		"tag_name": "All",
+	}, resolved.Tables["tags"].Rows[0].Fields)
+}
diff --git a/resolver_value_parser_default.go b/resolver_value_parser_default.go
new file mode 100644
index 0000000..e2dfbb6
--- /dev/null
+++ b/resolver_value_parser_default.go
@@ -0,0 +1,25 @@
+package debefix
+
+import (
+	"fmt"
+
+	"github.com/google/uuid"
+)
+
+// ResolvedValueParserUUID is a [ResolvedValueParser] to parse "uuid" type to [uuid.UUID].
+type ResolvedValueParserUUID struct {
+}
+
+func (r ResolvedValueParserUUID) Parse(typ string, value any) (bool, any, error) {
+	if typ != "uuid" {
+		return false, nil, nil
+	}
+
+	switch vv := value.(type) {
+	case uuid.UUID:
+		return true, vv, nil
+	default:
+		v, err := uuid.Parse(fmt.Sprint(value))
+		return true, v, err
+	}
+}