diff --git a/path.go b/path.go
new file mode 100644
index 0000000..f90fb13
--- /dev/null
+++ b/path.go
@@ -0,0 +1,7 @@
+// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+
+package main
+
+func getRealPath(path string) string {
+	return path
+}
diff --git a/path_windows.go b/path_windows.go
new file mode 100644
index 0000000..90d9c47
--- /dev/null
+++ b/path_windows.go
@@ -0,0 +1,11 @@
+// +build windows
+
+package main
+
+import (
+	"strings"
+)
+
+func getRealPath(path string) string {
+	return "/" + strings.Replace(strings.Replace(path, ":", "", -1), "\\", "/", -1)
+}
diff --git a/path_windows_test.go b/path_windows_test.go
new file mode 100644
index 0000000..4b017a4
--- /dev/null
+++ b/path_windows_test.go
@@ -0,0 +1,25 @@
+package main
+
+import "testing"
+
+func TestGetRealPath(t *testing.T) {
+	type args struct {
+		path string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			"Test Windows Path",
+			"C:\\Users\\appleboy\\test.txt",
+			"/C/Users/appleboy/test.txt"
+		}
+	}
+	for _, tt := range tests {
+		if got := getRealPath(tt.args.path); got != tt.want {
+			t.Errorf("%q. getRealPath() = %v, want %v", tt.name, got, tt.want)
+		}
+	}
+}
diff --git a/plugin.go b/plugin.go
index 0bc58a3..e186d2f 100644
--- a/plugin.go
+++ b/plugin.go
@@ -8,7 +8,6 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
-	"runtime"
 	"strings"
 	"sync"
 
@@ -100,13 +99,7 @@ func (p Plugin) Exec() error {
 
 	// run archive command
 	log.Println("tar all files into " + tar)
-	var args []string
-	if runtime.GOOS == "windows" {
-		newTar := "/" + strings.Replace(strings.Replace(tar, ":", "", -1), "\\", "/", -1)
-		args = append(append([]string{}, "-cf", newTar), files...)
-	} else {
-		args = append(append([]string{}, "-cf", tar), files...)
-	}
+	args := append(append([]string{}, "-cf", getRealPath(tar)), files...)
 
 	cmd := exec.Command("tar", args...)
 	cmd.Stdout = os.Stdout