diff --git a/field_parser_v3_test.go b/field_parser_v3_test.go
index 593238c79..85176ec92 100644
--- a/field_parser_v3_test.go
+++ b/field_parser_v3_test.go
@@ -184,7 +184,7 @@ func TestDefaultFieldParserV3(t *testing.T) {
 		t.Parallel()
 
 		schema := spec.NewSchemaSpec()
-		schema.Spec.Type = []string{"string"}
+		schema.Spec.Type = &spec.SingleOrArray[string]{"string"}
 		parser := &Parser{}
 		fieldParser := newTagBaseFieldParserV3(
 			parser,
diff --git a/parserv3.go b/parserv3.go
index 256153da9..19e9b6c50 100644
--- a/parserv3.go
+++ b/parserv3.go
@@ -349,7 +349,7 @@ func parseSecAttributesV3(context string, lines []string, index *int) (string, *
 	case secImplicitAttr:
 		search = []string{authorizationURL, in}
 	case secAccessCodeAttr:
-		search = []string{tokenURL, authorizationURL, in}
+		search = []string{tokenURL, authorizationURL}
 	case secBearerAuthAttr:
 		scheme := spec.SecurityScheme{
 			Type:         "http",
@@ -461,11 +461,15 @@ func parseSecAttributesV3(context string, lines []string, index *int) (string, *
 
 	case secAccessCodeAttr:
 		scheme.Type = "oauth2"
-		scheme.In = attrMap[in]
 		scheme.Flows = spec.NewOAuthFlows()
 		scheme.Flows.Spec.AuthorizationCode = spec.NewOAuthFlow()
 		scheme.Flows.Spec.AuthorizationCode.Spec.AuthorizationURL = attrMap[authorizationURL]
 		scheme.Flows.Spec.AuthorizationCode.Spec.TokenURL = attrMap[tokenURL]
+
+		scheme.Flows.Spec.AuthorizationCode.Spec.Scopes = make(map[string]string)
+		for k, v := range scopes {
+			scheme.Flows.Spec.AuthorizationCode.Spec.Scopes[k] = v
+		}
 	}
 
 	scheme.Description = description
diff --git a/parserv3_test.go b/parserv3_test.go
index f6c1a8771..427d6c4e2 100644
--- a/parserv3_test.go
+++ b/parserv3_test.go
@@ -163,8 +163,9 @@ func TestParserParseGeneralApiInfoV3(t *testing.T) {
 	assert.Equal(t, "https://example.com/oauth/token", security["OAuth2Password"].Spec.Spec.Flows.Spec.Password.Spec.TokenURL)
 
 	assert.Equal(t, "oauth2", security["OAuth2AccessCode"].Spec.Spec.Type)
-	assert.Equal(t, "header", security["OAuth2AccessCode"].Spec.Spec.In)
 	assert.Equal(t, "https://example.com/oauth/token", security["OAuth2AccessCode"].Spec.Spec.Flows.Spec.AuthorizationCode.Spec.TokenURL)
+	assert.Equal(t, "https://example.com/oauth/authorize", security["OAuth2AccessCode"].Spec.Spec.Flows.Spec.AuthorizationCode.Spec.AuthorizationURL)
+	assert.Equal(t, 1, len(security["OAuth2AccessCode"].Spec.Spec.Flows.Spec.AuthorizationCode.Spec.Scopes))
 
 	assert.Equal(t, "bearer", security["bearerauth"].Spec.Spec.Scheme)
 	assert.Equal(t, "http", security["bearerauth"].Spec.Spec.Type)