diff --git a/pkg/service/totp.go b/pkg/service/totp.go
index 0c7db3e27..395171999 100644
--- a/pkg/service/totp.go
+++ b/pkg/service/totp.go
@@ -32,6 +32,9 @@ func NewDefaultTotpKey() (*otp.Key, error) {
 
 	if len(totpAccountName) == 0 {
 		user, ok := os.LookupEnv("USER")
+		if !ok {
+			user, ok = os.LookupEnv("USERNAME")
+		}
 		if !ok {
 			return nil, fmt.Errorf("can not get USER env var for totp account name")
 		}