diff --git a/config/base_config.go b/config/base_config.go
index 8164970..45142c1 100644
--- a/config/base_config.go
+++ b/config/base_config.go
@@ -55,10 +55,8 @@ type Config struct {
 }
 
 func (c *Config) Validate() error {
-	if c.Debug {
-		if c.Logger == nil {
-			c.Logger = log.Default()
-		}
+	if c.Debug && c.Logger == nil {
+		c.Logger = log.Default()
 	}
 	if c.DeniedStatusCode == 0 {
 		c.DeniedStatusCode = http.StatusForbidden
diff --git a/fiber_middleware.go b/fiber_middleware.go
index 2b58f63..d7f08b1 100644
--- a/fiber_middleware.go
+++ b/fiber_middleware.go
@@ -25,10 +25,8 @@ func NewFiberMiddleware(cfg *config.Config, input FiberInputCreationMethod) (*Fi
 	if err != nil {
 		return nil, err
 	}
-	if input == nil {
-		if cfg.InputCreationMethod == nil {
-			return nil, errors.New("[opa-middleware-fiber] InputCreationMethod must be provided")
-		}
+	if input == nil && cfg.InputCreationMethod == nil {
+		return nil, errors.New("[opa-middleware-fiber] InputCreationMethod must be provided")
 	}
 	return &FiberMiddleware{
 		Config:              cfg,