diff --git a/engine.go b/engine.go
index 0e21c43f..64d6053e 100644
--- a/engine.go
+++ b/engine.go
@@ -100,11 +100,11 @@ func WithOpenAPIConfig(config OpenAPIConfig) func(*Engine) {
 		e.OpenAPIConfig.DisableSwaggerUI = config.DisableSwaggerUI
 
 		if !validateSpecURL(e.OpenAPIConfig.SpecURL) {
-			slog.Error("Error serving openapi json spec. Value of 's.OpenAPIServerConfig.SpecURL' option is not valid", "url", e.OpenAPIConfig.SpecURL)
+			slog.Error("Error serving OpenAPI JSON spec. Value of 's.OpenAPIServerConfig.SpecURL' option is not valid", "url", e.OpenAPIConfig.SpecURL)
 			return
 		}
 		if !validateSwaggerURL(e.OpenAPIConfig.SwaggerURL) {
-			slog.Error("Error serving swagger ui. Value of 's.OpenAPIServerConfig.SwaggerURL' option is not valid", "url", e.OpenAPIConfig.SwaggerURL)
+			slog.Error("Error serving Swagger UI. Value of 's.OpenAPIServerConfig.SwaggerURL' option is not valid", "url", e.OpenAPIConfig.SwaggerURL)
 			return
 		}
 	}
diff --git a/extra/fuegogin/adaptor.go b/extra/fuegogin/adaptor.go
index 393d24f1..db60aa69 100644
--- a/extra/fuegogin/adaptor.go
+++ b/extra/fuegogin/adaptor.go
@@ -10,17 +10,17 @@ import (
 )
 
 type OpenAPIHandler struct {
-	*gin.Engine
+	GinEngine *gin.Engine
 }
 
 func (o *OpenAPIHandler) SpecHandler(e *fuego.Engine) {
-	Get(e, o, e.OpenAPIConfig.SpecURL, e.SpecHandler(), fuego.OptionHide())
+	Get(e, o.GinEngine, e.OpenAPIConfig.SpecURL, e.SpecHandler(), fuego.OptionHide())
 }
 
 func (o *OpenAPIHandler) UIHandler(e *fuego.Engine) {
 	GetGin(
 		e,
-		o,
+		o.GinEngine,
 		e.OpenAPIConfig.SwaggerURL+"/",
 		gin.WrapH(e.OpenAPIConfig.UIHandler(e.OpenAPIConfig.SpecURL)),
 		fuego.OptionHide(),