diff --git a/schema/object.go b/schema/object.go
index ebc2c2f..110f285 100644
--- a/schema/object.go
+++ b/schema/object.go
@@ -343,6 +343,11 @@ func (o *ObjectSchema) convertToObjectSchema(typeOrData any) (Object, bool) {
 	if ok {
 		return refSchemaType.referencedObjectCache, true
 	}
+	// Next, try scope schema.
+	scopeSchemaType, ok := typeOrData.(*ScopeSchema)
+	if ok {
+		return scopeSchemaType.Objects()[scopeSchemaType.Root()], true
+	}
 	// Try getting the inlined ObjectSchema for objects, like TypedObjectSchema, that do that.
 	value := reflect.ValueOf(typeOrData)
 	if reflect.Indirect(value).Kind() == reflect.Struct {
diff --git a/schema/object_test.go b/schema/object_test.go
index 784819d..b693b31 100644
--- a/schema/object_test.go
+++ b/schema/object_test.go
@@ -555,6 +555,9 @@ func TestObjectSchema_ValidateCompatibility(t *testing.T) {
 	objectTestRef.ApplyScope(testStructScope)
 	assert.NoError(t, objectTestRef.ValidateCompatibility(testStructSchema))
 	assert.NoError(t, testStructSchema.ValidateCompatibility(objectTestRef))
+	// Schema validation with scope
+	testStructScopeSchema := schema.NewScopeSchema(&testStructSchema.ObjectSchema)
+	assert.NoError(t, objectTestRef.ValidateCompatibility(testStructScopeSchema))
 
 	// map verification
 	validData := map[string]any{