diff --git a/engine/engine.go b/engine/engine.go
index 5b8e50c9..8aaf6c72 100644
--- a/engine/engine.go
+++ b/engine/engine.go
@@ -199,8 +199,8 @@ type (
 	Config struct {
 		Address      string        // TCP address to listen on.
 		Listener     net.Listener  // Custom `net.Listener`. If set, server accepts connections on it.
-		TLSCertfile  string        // TLS certificate file path.
-		TLSKeyfile   string        // TLS key file path.
+		TLSCertFile  string        // TLS certificate file path.
+		TLSKeyFile   string        // TLS key file path.
 		ReadTimeout  time.Duration // Maximum duration before timing out read of the request.
 		WriteTimeout time.Duration // Maximum duration before timing out write of the response.
 	}
diff --git a/engine/fasthttp/server.go b/engine/fasthttp/server.go
index 572c8334..d7264f02 100644
--- a/engine/fasthttp/server.go
+++ b/engine/fasthttp/server.go
@@ -41,8 +41,8 @@ func New(addr string) *Server {
 func WithTLS(addr, certFile, keyFile string) *Server {
 	c := engine.Config{
 		Address:     addr,
-		TLSCertfile: certFile,
-		TLSKeyfile:  keyFile,
+		TLSCertFile: certFile,
+		TLSKeyFile:  keyFile,
 	}
 	return WithConfig(c)
 }
@@ -111,16 +111,16 @@ func (s *Server) Start() error {
 
 func (s *Server) startDefaultListener() error {
 	c := s.config
-	if c.TLSCertfile != "" && c.TLSKeyfile != "" {
-		return s.ListenAndServeTLS(c.Address, c.TLSCertfile, c.TLSKeyfile)
+	if c.TLSCertFile != "" && c.TLSKeyFile != "" {
+		return s.ListenAndServeTLS(c.Address, c.TLSCertFile, c.TLSKeyFile)
 	}
 	return s.ListenAndServe(c.Address)
 }
 
 func (s *Server) startCustomListener() error {
 	c := s.config
-	if c.TLSCertfile != "" && c.TLSKeyfile != "" {
-		return s.ServeTLS(c.Listener, c.TLSCertfile, c.TLSKeyfile)
+	if c.TLSCertFile != "" && c.TLSKeyFile != "" {
+		return s.ServeTLS(c.Listener, c.TLSCertFile, c.TLSKeyFile)
 	}
 	return s.Serve(c.Listener)
 }
diff --git a/engine/standard/server.go b/engine/standard/server.go
index 60f419bc..c3e56c3c 100644
--- a/engine/standard/server.go
+++ b/engine/standard/server.go
@@ -39,8 +39,8 @@ func New(addr string) *Server {
 func WithTLS(addr, certFile, keyFile string) *Server {
 	c := engine.Config{
 		Address:     addr,
-		TLSCertfile: certFile,
-		TLSKeyfile:  keyFile,
+		TLSCertFile: certFile,
+		TLSKeyFile:  keyFile,
 	}
 	return WithConfig(c)
 }
@@ -109,8 +109,8 @@ func (s *Server) Start() error {
 
 func (s *Server) startDefaultListener() error {
 	c := s.config
-	if c.TLSCertfile != "" && c.TLSKeyfile != "" {
-		return s.ListenAndServeTLS(c.TLSCertfile, c.TLSKeyfile)
+	if c.TLSCertFile != "" && c.TLSKeyFile != "" {
+		return s.ListenAndServeTLS(c.TLSCertFile, c.TLSKeyFile)
 	}
 	return s.ListenAndServe()
 }
diff --git a/test/server.go b/test/server.go
index 5c286b4d..e9458e2d 100644
--- a/test/server.go
+++ b/test/server.go
@@ -33,8 +33,8 @@ func New(addr string) *Server {
 func NewTLS(addr, certFile, keyFile string) *Server {
 	c := &engine.Config{
 		Address:     addr,
-		TLSCertfile: certFile,
-		TLSKeyfile:  keyFile,
+		TLSCertFile: certFile,
+		TLSKeyFile:  keyFile,
 	}
 	return NewConfig(c)
 }
@@ -84,8 +84,8 @@ func (s *Server) SetLogger(l *log.Logger) {
 func (s *Server) Start() {
 	s.Addr = s.config.Address
 	s.Handler = s
-	certFile := s.config.TLSCertfile
-	keyFile := s.config.TLSKeyfile
+	certFile := s.config.TLSCertFile
+	keyFile := s.config.TLSKeyFile
 	if certFile != "" && keyFile != "" {
 		s.logger.Fatal(s.ListenAndServeTLS(certFile, keyFile))
 	} else {