diff --git a/entoas/annotation.go b/entoas/annotation.go
index de97f134a..1865afcb8 100644
--- a/entoas/annotation.go
+++ b/entoas/annotation.go
@@ -50,13 +50,14 @@ type (
 		// Skip specifies that the field will be ignored in spec.
 		Skip bool
 		// Extensions has map of OpenApi extenions
-		Extensions ogen.Extensions
+		Extensions OgenExtensions
 	}
+	OgenExtensions ogen.Extensions
 	// OperationConfig holds meta information about a REST operation.
 	OperationConfig struct {
 		Policy     Policy
 		Groups     serialization.Groups
-		Extensions ogen.Extensions
+		Extensions OgenExtensions
 	}
 	// OpenApiExtension holds meta information about OpenApi extension
 	OpenApiExtension struct {
@@ -67,6 +68,10 @@ type (
 	OperationConfigOption func(*OperationConfig)
 )
 
+func (o OgenExtensions) Schema() ogen.Extensions {
+	return ogen.Extensions(o)
+}
+
 // Groups returns a OperationConfigOption that adds the given serialization groups to a OperationConfig.
 func Groups(gs ...string) Annotation {
 	return Annotation{Groups: gs}
@@ -80,7 +85,7 @@ func OperationGroups(gs ...string) OperationConfigOption {
 func OperationExtentions(ext ...OpenApiExtension) OperationConfigOption {
 	return func(c *OperationConfig) {
 		if c.Extensions == nil {
-			c.Extensions = ogen.Extensions{}
+			c.Extensions = OgenExtensions{}
 		}
 
 		for _, e := range ext {
@@ -90,7 +95,7 @@ func OperationExtentions(ext ...OpenApiExtension) OperationConfigOption {
 }
 
 func Extensions(ext ...OpenApiExtension) Annotation {
-	exts := ogen.Extensions{}
+	exts := OgenExtensions{}
 
 	for _, e := range ext {
 		exts[e.Name] = yaml.Node{Kind: yaml.ScalarNode, Value: e.Value}
diff --git a/entoas/annotation_test.go b/entoas/annotation_test.go
index f4a62dcf3..daa5fbfaf 100644
--- a/entoas/annotation_test.go
+++ b/entoas/annotation_test.go
@@ -36,19 +36,19 @@ func TestAnnotation(t *testing.T) {
 	require.Equal(t, serialization.Groups{"create", "groups"}, a.Groups)
 
 	a = CreateOperation(OperationGroups("create", "groups"), OperationPolicy(PolicyExpose))
-	require.Equal(t, OperationConfig{PolicyExpose, serialization.Groups{"create", "groups"}}, a.Create)
+	require.Equal(t, OperationConfig{Policy: PolicyExpose, Groups: serialization.Groups{"create", "groups"}}, a.Create)
 
 	a = ReadOperation(OperationGroups("read", "groups"), OperationPolicy(PolicyExpose))
-	require.Equal(t, OperationConfig{PolicyExpose, serialization.Groups{"read", "groups"}}, a.Read)
+	require.Equal(t, OperationConfig{Policy: PolicyExpose, Groups: serialization.Groups{"read", "groups"}}, a.Read)
 
 	a = UpdateOperation(OperationGroups("update", "groups"), OperationPolicy(PolicyExpose))
-	require.Equal(t, OperationConfig{PolicyExpose, serialization.Groups{"update", "groups"}}, a.Update)
+	require.Equal(t, OperationConfig{Policy: PolicyExpose, Groups: serialization.Groups{"update", "groups"}}, a.Update)
 
 	a = DeleteOperation(OperationGroups("delete", "groups"), OperationPolicy(PolicyExpose))
-	require.Equal(t, OperationConfig{PolicyExpose, serialization.Groups{"delete", "groups"}}, a.Delete)
+	require.Equal(t, OperationConfig{Policy: PolicyExpose, Groups: serialization.Groups{"delete", "groups"}}, a.Delete)
 
 	a = ListOperation(OperationGroups("list", "groups"), OperationPolicy(PolicyExpose))
-	require.Equal(t, OperationConfig{PolicyExpose, serialization.Groups{"list", "groups"}}, a.List)
+	require.Equal(t, OperationConfig{Policy: PolicyExpose, Groups: serialization.Groups{"list", "groups"}}, a.List)
 
 	b := Example("example")
 	require.Equal(t, "example", b.Example)
@@ -57,12 +57,18 @@ func TestAnnotation(t *testing.T) {
 	require.Equal(t, ogen.Binary(), c.Schema)
 
 	a = a.Merge(b).(Annotation).Merge(c).(Annotation)
+	// a.List.Extensions = ogen.Extensions{
+	// 	"zxc": yaml.Node{Kind: yaml.ScalarNode, Value: "ccc"},
+	// }
 	ex := Annotation{
 		Example: "example",
 		Schema:  ogen.Binary(),
 		List: OperationConfig{
 			Groups: serialization.Groups{"list", "groups"},
 			Policy: PolicyExpose,
+			// Extensions: ogen.Extensions{
+			// 	"zxc": yaml.Node{Kind: yaml.ScalarNode, Value: "ccc"},
+			// },
 		},
 	}
 	require.Equal(t, ex, a)
@@ -89,6 +95,7 @@ func TestAnnotation(t *testing.T) {
 	require.NotNil(t, ac)
 	ac, err = SchemaAnnotation(&gen.Type{Annotations: gen.Annotations{a.Name(): ex}})
 	require.NoError(t, err)
+
 	require.Equal(t, &ex, ac)
 
 	ac, err = FieldAnnotation(new(gen.Field))
diff --git a/entoas/generator.go b/entoas/generator.go
index 6c6afba0d..220e95288 100644
--- a/entoas/generator.go
+++ b/entoas/generator.go
@@ -201,7 +201,7 @@ func paths(g *gen.Graph, spec *ogen.Spec) error {
 			return err
 		}
 
-		path(spec, root).Common.Extensions = ant.Extensions
+		path(spec, root).Common.Extensions = ant.Extensions.Schema()
 
 		// Create operation.
 		if contains(ops, OpCreate) {
@@ -307,7 +307,7 @@ func createOp(spec *ogen.Spec, n *gen.Type, allowClientUUIDs bool) (*ogen.Operat
 	if err := ant.Decode(n.Annotations[ant.Name()]); err != nil {
 		return nil, err
 	}
-	op.Common.Extensions = ant.Create.Extensions
+	op.Common.Extensions = ant.Create.Extensions.Schema()
 
 	return op, nil
 }
@@ -345,7 +345,7 @@ func readOp(spec *ogen.Spec, n *gen.Type) (*ogen.Operation, error) {
 	if err := ant.Decode(n.Annotations[ant.Name()]); err != nil {
 		return nil, err
 	}
-	op.Common.Extensions = ant.Read.Extensions
+	op.Common.Extensions = ant.Read.Extensions.Schema()
 
 	return op, nil
 }
@@ -422,7 +422,7 @@ func updateOp(spec *ogen.Spec, n *gen.Type) (*ogen.Operation, error) {
 	if err := ant.Decode(n.Annotations[ant.Name()]); err != nil {
 		return nil, err
 	}
-	op.Common.Extensions = ant.Update.Extensions
+	op.Common.Extensions = ant.Update.Extensions.Schema()
 
 	return op, nil
 }
@@ -455,7 +455,7 @@ func deleteOp(spec *ogen.Spec, n *gen.Type) (*ogen.Operation, error) {
 	if err := ant.Decode(n.Annotations[ant.Name()]); err != nil {
 		return nil, err
 	}
-	op.Common.Extensions = ant.Delete.Extensions
+	op.Common.Extensions = ant.Delete.Extensions.Schema()
 
 	return op, nil
 }
@@ -507,7 +507,7 @@ func listOp(spec *ogen.Spec, n *gen.Type) (*ogen.Operation, error) {
 	if err := ant.Decode(n.Annotations[ant.Name()]); err != nil {
 		return nil, err
 	}
-	op.Common.Extensions = ant.List.Extensions
+	op.Common.Extensions = ant.List.Extensions.Schema()
 
 	return op, nil
 }