1 files changed, 3 insertions, 2 deletions

diff --git a/collector/sockstat_linux.go b/collector/sockstat_linux.go
index c7596c9..8f5a99f 100644
--- a/collector/sockstat_linux.go
+++ b/collector/sockstat_linux.go
@@ -16,6 +16,7 @@
 package collector
 
 import (
+        "errors"
         "fmt"
         "os"
 
@@ -55,7 +56,7 @@ func (c *sockStatCollector) Update(ch chan<- prometheus.Metric) error {
         stat4, err := fs.NetSockstat()
         switch {
         case err == nil:
-        case os.IsNotExist(err):
+        case errors.Is(err, os.ErrNotExist):
                 level.Debug(c.logger).Log("msg", "IPv4 sockstat statistics not found, skipping")
         default:
                 return fmt.Errorf("failed to get IPv4 sockstat data: %w", err)
@@ -64,7 +65,7 @@ func (c *sockStatCollector) Update(ch chan<- prometheus.Metric) error {
         stat6, err := fs.NetSockstat6()
         switch {
         case err == nil:
-        case os.IsNotExist(err):
+        case errors.Is(err, os.ErrNotExist):
                 level.Debug(c.logger).Log("msg", "IPv6 sockstat statistics not found, skipping")
         default:
                 return fmt.Errorf("failed to get IPv6 sockstat data: %w", err)