diff --git a/pkg/cmd/extensions/manager.go b/pkg/cmd/extensions/manager.go
index 182666d80..9563b74cc 100644
--- a/pkg/cmd/extensions/manager.go
+++ b/pkg/cmd/extensions/manager.go
@@ -166,7 +166,7 @@ func (m *Manager) Upgrade(name string, stdout, stderr io.Writer) error {
 			}
 			continue
 		}
-		if fileInfo.Mode().Type() == os.ModeSymlink {
+		if fileInfo.Mode()&os.ModeSymlink != 0 {
 			err = localExtensionUpgradeError
 			if name == "" {
 				fmt.Fprintf(stdout, "%s\n", err)