diff --git a/internal/download.go b/internal/download.go
index 7c3c711..7ad3753 100644
--- a/internal/download.go
+++ b/internal/download.go
@@ -6,7 +6,7 @@ import (
 	"log"
 	"net/http"
 	"os"
-	"path"
+	"path/filepath"
 	"sync"
 )
 
@@ -56,8 +56,8 @@ func download(link, output string) error {
 	}
 	defer resp.Body.Close()
 
-	_, fileName := path.Split(link)
-	file, err := os.Create(path.Join(output, fileName))
+	_, fileName := filepath.Split(link)
+	file, err := os.Create(filepath.Join(output, fileName))
 	if err != nil {
 		return err
 	}
diff --git a/output.go b/output.go
index b8924e6..88a1988 100644
--- a/output.go
+++ b/output.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
-	"path"
+	"path/filepath"
 
 	"github.com/yyoshiki41/radigo/internal"
 )
@@ -18,7 +18,7 @@ func initTempAACDir() (string, error) {
 		return "", err
 	}
 
-	aacResultFile = path.Join(aacDir, "result.aac")
+	aacResultFile = filepath.Join(aacDir, "result.aac")
 	return aacDir, nil
 }
 
diff --git a/rec.go b/rec.go
index 63d6177..8b1bd91 100644
--- a/rec.go
+++ b/rec.go
@@ -5,7 +5,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
-	"path"
+	"path/filepath"
 	"strings"
 	"time"
 
@@ -125,7 +125,7 @@ func (c *recCommand) Run(args []string) int {
 		return 1
 	}
 
-	outputFile := path.Join(radigoPath, "output",
+	outputFile := filepath.Join(radigoPath, "output",
 		fmt.Sprintf("%s-%s.%s",
 			startTime.In(location).Format(datetimeLayout), stationID, fileType,
 		))
diff --git a/rec_live.go b/rec_live.go
index 2ce8e85..094747f 100644
--- a/rec_live.go
+++ b/rec_live.go
@@ -5,7 +5,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
-	"path"
+	"path/filepath"
 	"strings"
 	"time"
 
@@ -99,7 +99,7 @@ func (c *recLiveCommand) Run(args []string) int {
 	tempDir, removeTempDir := internal.CreateTempDir()
 	defer removeTempDir()
 
-	swfPlayer := path.Join(tempDir, "myplayer.swf")
+	swfPlayer := filepath.Join(tempDir, "myplayer.swf")
 	if err := radiko.DownloadPlayer(swfPlayer); err != nil {
 		c.ui.Error(fmt.Sprintf(
 			"Failed to download swf player. %s", err))
@@ -135,12 +135,12 @@ func (c *recLiveCommand) Run(args []string) int {
 
 	var outputFile string
 	if outputFilename == "" {
-		outputFile = path.Join(radigoPath, "output",
+		outputFile = filepath.Join(radigoPath, "output",
 			fmt.Sprintf("%s-%s.mp3",
 				time.Now().In(location).Format(datetimeLayout), stationID,
 			))
 	} else {
-		outputFile = path.Join(radigoPath, "output",
+		outputFile = filepath.Join(radigoPath, "output",
 			fmt.Sprintf("%s", outputFilename))
 	}