diff --git a/modules/openapi-generator/src/main/resources/go-gin-server/routers.mustache b/modules/openapi-generator/src/main/resources/go-gin-server/routers.mustache
index ba4dd203977..29bf6321dd0 100644
--- a/modules/openapi-generator/src/main/resources/go-gin-server/routers.mustache
+++ b/modules/openapi-generator/src/main/resources/go-gin-server/routers.mustache
@@ -26,25 +26,25 @@ func NewRouter(handleFunctions ApiHandleFunctions) *gin.Engine {
 
 // NewRouter add routes to existing gin engine.
 func NewRouterWithGinEngine(router *gin.Engine, handleFunctions ApiHandleFunctions) *gin.Engine {
-        for _, route := range getRoutes(handleFunctions) {
-            if route.HandlerFunc == nil {
-                route.HandlerFunc = DefaultHandleFunc
-            }
-            switch route.Method {
-            case http.MethodGet:
-                router.GET(route.Pattern, route.HandlerFunc)
-            case http.MethodPost:
-                router.POST(route.Pattern, route.HandlerFunc)
-            case http.MethodPut:
-                router.PUT(route.Pattern, route.HandlerFunc)
-            case http.MethodPatch:
-                router.PATCH(route.Pattern, route.HandlerFunc)
-            case http.MethodDelete:
-                router.DELETE(route.Pattern, route.HandlerFunc)
-            }
-        }
+	for _, route := range getRoutes(handleFunctions) {
+		if route.HandlerFunc == nil {
+			route.HandlerFunc = DefaultHandleFunc
+		}
+		switch route.Method {
+		case http.MethodGet:
+			router.GET(route.Pattern, route.HandlerFunc)
+		case http.MethodPost:
+			router.POST(route.Pattern, route.HandlerFunc)
+		case http.MethodPut:
+			router.PUT(route.Pattern, route.HandlerFunc)
+		case http.MethodPatch:
+			router.PATCH(route.Pattern, route.HandlerFunc)
+		case http.MethodDelete:
+			router.DELETE(route.Pattern, route.HandlerFunc)
+		}
+	}
 
-        return router
+	return router
 }
 
 // Default handler for not yet implemented routes
diff --git a/samples/server/petstore/go-gin-api-server/go/routers.go b/samples/server/petstore/go-gin-api-server/go/routers.go
index 0a8bf04ea30..93a82020734 100644
--- a/samples/server/petstore/go-gin-api-server/go/routers.go
+++ b/samples/server/petstore/go-gin-api-server/go/routers.go
@@ -34,25 +34,25 @@ func NewRouter(handleFunctions ApiHandleFunctions) *gin.Engine {
 
 // NewRouter add routes to existing gin engine.
 func NewRouterWithGinEngine(router *gin.Engine, handleFunctions ApiHandleFunctions) *gin.Engine {
-        for _, route := range getRoutes(handleFunctions) {
-            if route.HandlerFunc == nil {
-                route.HandlerFunc = DefaultHandleFunc
-            }
-            switch route.Method {
-            case http.MethodGet:
-                router.GET(route.Pattern, route.HandlerFunc)
-            case http.MethodPost:
-                router.POST(route.Pattern, route.HandlerFunc)
-            case http.MethodPut:
-                router.PUT(route.Pattern, route.HandlerFunc)
-            case http.MethodPatch:
-                router.PATCH(route.Pattern, route.HandlerFunc)
-            case http.MethodDelete:
-                router.DELETE(route.Pattern, route.HandlerFunc)
-            }
-        }
+	for _, route := range getRoutes(handleFunctions) {
+		if route.HandlerFunc == nil {
+			route.HandlerFunc = DefaultHandleFunc
+		}
+		switch route.Method {
+		case http.MethodGet:
+			router.GET(route.Pattern, route.HandlerFunc)
+		case http.MethodPost:
+			router.POST(route.Pattern, route.HandlerFunc)
+		case http.MethodPut:
+			router.PUT(route.Pattern, route.HandlerFunc)
+		case http.MethodPatch:
+			router.PATCH(route.Pattern, route.HandlerFunc)
+		case http.MethodDelete:
+			router.DELETE(route.Pattern, route.HandlerFunc)
+		}
+	}
 
-        return router
+	return router
 }
 
 // Default handler for not yet implemented routes