diff --git a/modules/openapi-generator/src/main/resources/go-gin-server/model.mustache b/modules/openapi-generator/src/main/resources/go-gin-server/model.mustache
index d006e1aa050..28ba90cffc6 100644
--- a/modules/openapi-generator/src/main/resources/go-gin-server/model.mustache
+++ b/modules/openapi-generator/src/main/resources/go-gin-server/model.mustache
@@ -19,6 +19,6 @@ const (
 type {{classname}} struct {
 {{#vars}}{{#description}}
 	// {{{description}}}{{/description}}
-	{{name}} {{^isEnum}}{{^isPrimitiveType}}{{^isContainer}}{{^isDateTime}}*{{/isDateTime}}{{/isContainer}}{{/isPrimitiveType}}{{/isEnum}}{{{dataType}}} `json:"{{baseName}}{{^required}},omitempty{{/required}}"`
+	{{name}} {{^isEnum}}{{^isPrimitiveType}}{{^isContainer}}{{^isDateTime}}*{{/isDateTime}}{{/isContainer}}{{/isPrimitiveType}}{{/isEnum}}{{{dataType}}} `json:"{{baseName}}{{^required}},omitempty{{/required}}"{{#vendorExtensions.x-go-custom-tag}} {{{.}}}{{/vendorExtensions.x-go-custom-tag}}`
 {{/vars}}
 }{{/isEnum}}{{/model}}{{/models}}
diff --git a/modules/openapi-generator/src/main/resources/go-server/model.mustache b/modules/openapi-generator/src/main/resources/go-server/model.mustache
index d006e1aa050..28ba90cffc6 100644
--- a/modules/openapi-generator/src/main/resources/go-server/model.mustache
+++ b/modules/openapi-generator/src/main/resources/go-server/model.mustache
@@ -19,6 +19,6 @@ const (
 type {{classname}} struct {
 {{#vars}}{{#description}}
 	// {{{description}}}{{/description}}
-	{{name}} {{^isEnum}}{{^isPrimitiveType}}{{^isContainer}}{{^isDateTime}}*{{/isDateTime}}{{/isContainer}}{{/isPrimitiveType}}{{/isEnum}}{{{dataType}}} `json:"{{baseName}}{{^required}},omitempty{{/required}}"`
+	{{name}} {{^isEnum}}{{^isPrimitiveType}}{{^isContainer}}{{^isDateTime}}*{{/isDateTime}}{{/isContainer}}{{/isPrimitiveType}}{{/isEnum}}{{{dataType}}} `json:"{{baseName}}{{^required}},omitempty{{/required}}"{{#vendorExtensions.x-go-custom-tag}} {{{.}}}{{/vendorExtensions.x-go-custom-tag}}`
 {{/vars}}
 }{{/isEnum}}{{/model}}{{/models}}
diff --git a/modules/openapi-generator/src/main/resources/go/model.mustache b/modules/openapi-generator/src/main/resources/go/model.mustache
index 4243daa4e2d..07e5c758516 100644
--- a/modules/openapi-generator/src/main/resources/go/model.mustache
+++ b/modules/openapi-generator/src/main/resources/go/model.mustache
@@ -35,7 +35,7 @@ type {{classname}} struct {
 {{#description}}
 	// {{{description}}}
 {{/description}}
-	{{name}} {{{dataType}}} `json:"{{baseName}}{{^required}},omitempty{{/required}}"{{#withXml}} xml:"{{baseName}}{{#isXmlAttribute}},attr{{/isXmlAttribute}}"{{/withXml}}`
+	{{name}} {{{dataType}}} `json:"{{baseName}}{{^required}},omitempty{{/required}}"{{#withXml}} xml:"{{baseName}}{{#isXmlAttribute}},attr{{/isXmlAttribute}}"{{/withXml}}{{#vendorExtensions.x-go-custom-tag}} {{{.}}}{{/vendorExtensions.x-go-custom-tag}}`
 {{/vars}}
 }
 {{/isEnum}}