diff --git a/collector/diskstats_linux.go b/collector/diskstats_linux.go
index 893684e5..83247828 100644
--- a/collector/diskstats_linux.go
+++ b/collector/diskstats_linux.go
@@ -349,7 +349,7 @@ func (c *diskstatsCollector) Update(ch chan<- prometheus.Metric) error {
 }
 
 func udevDeviceInformation(major, minor uint32) (udevInfo, error) {
-	filename := fmt.Sprintf("/run/udev/data/b%d:%d", major, minor)
+	filename := udevDataFilePath(fmt.Sprintf("b%d:%d", major, minor))
 
 	data, err := os.Open(filename)
 	if err != nil {
diff --git a/collector/paths.go b/collector/paths.go
index 5f5a7b44..61aa6470 100644
--- a/collector/paths.go
+++ b/collector/paths.go
@@ -23,9 +23,10 @@ import (
 
 var (
 	// The path of the proc filesystem.
-	procPath   = kingpin.Flag("path.procfs", "procfs mountpoint.").Default(procfs.DefaultMountPoint).String()
-	sysPath    = kingpin.Flag("path.sysfs", "sysfs mountpoint.").Default("/sys").String()
-	rootfsPath = kingpin.Flag("path.rootfs", "rootfs mountpoint.").Default("/").String()
+	procPath     = kingpin.Flag("path.procfs", "procfs mountpoint.").Default(procfs.DefaultMountPoint).String()
+	sysPath      = kingpin.Flag("path.sysfs", "sysfs mountpoint.").Default("/sys").String()
+	rootfsPath   = kingpin.Flag("path.rootfs", "rootfs mountpoint.").Default("/").String()
+	udevDataPath = kingpin.Flag("path.udev.data", "udev data path.").Default("/run/udev/data").String()
 )
 
 func procFilePath(name string) string {
@@ -40,6 +41,10 @@ func rootfsFilePath(name string) string {
 	return filepath.Join(*rootfsPath, name)
 }
 
+func udevDataFilePath(name string) string {
+	return filepath.Join(*udevDataPath, name)
+}
+
 func rootfsStripPrefix(path string) string {
 	if *rootfsPath == "/" {
 		return path