diff --git a/middleware/compress/compress.go b/middleware/compress/compress.go
index c9553d3a..d1d67def 100644
--- a/middleware/compress/compress.go
+++ b/middleware/compress/compress.go
@@ -46,7 +46,7 @@ func New(config ...Config) fiber.Handler {
 		cfg = config[0]
 
 		// Set default values
-		if cfg.Level < -1 || cfg.Level > 2 {
+		if cfg.Level < LevelDisabled || cfg.Level > LevelBestCompression {
 			cfg.Level = ConfigDefault.Level
 		}
 	}