diff --git a/acp.go b/acp.go
index 959c509..f43ef79 100644
--- a/acp.go
+++ b/acp.go
@@ -64,9 +64,6 @@ func New(ctx context.Context, opts ...Option) (*Copyer, error) {
 
 		updateProgressBar: func(f func(bar *progressbar.ProgressBar)) {},
 		updateCopying:     func(f func(set map[int64]struct{})) {},
-		logf: func(l logrus.Level, format string, args ...any) {
-			logrus.StandardLogger().Logf(l, format, args...)
-		},
 
 		badDsts:   make(map[string]error),
 		writePipe: make(chan *writeJob, 32),
@@ -84,6 +81,12 @@ func New(ctx context.Context, opts ...Option) (*Copyer, error) {
 		c.readingFiles = make(chan struct{}, 1)
 	}
 
+	if opt.logger != nil {
+		c.logf = func(l logrus.Level, format string, args ...any) { opt.logger.Logf(l, format, args...) }
+	} else {
+		c.logf = func(l logrus.Level, format string, args ...any) { logrus.StandardLogger().Logf(l, format, args...) }
+	}
+
 	c.running.Add(1)
 	go wrap(ctx, func() { c.run(ctx) })
 	return c, nil
diff --git a/opt.go b/opt.go
index f9a0996..cb1fa61 100644
--- a/opt.go
+++ b/opt.go
@@ -5,6 +5,8 @@ import (
 	"os"
 	"path"
 	"strings"
+
+	"github.com/sirupsen/logrus"
 )
 
 type source struct {
@@ -34,6 +36,8 @@ type option struct {
 
 	autoFill           bool
 	autoFillSplitDepth int
+
+	logger *logrus.Logger
 }
 
 func newOption() *option {
@@ -183,3 +187,10 @@ func WithAutoFill(on bool, depth int) Option {
 		return o
 	}
 }
+
+func WithLogger(logger *logrus.Logger) Option {
+	return func(o *option) *option {
+		o.logger = logger
+		return o
+	}
+}