diff --git a/cmd/rdpgw/web/oidc.go b/cmd/rdpgw/web/oidc.go
index 8458341a62f0531e532b030ebb3ca339963c1585..861b3d5fb34faec34ea93b72cdb10fed61a378c3 100644
--- a/cmd/rdpgw/web/oidc.go
+++ b/cmd/rdpgw/web/oidc.go
@@ -99,7 +99,7 @@ func (h *OIDC) HandleCallback(w http.ResponseWriter, r *http.Request) {
 }
 
 func findUsernameInClaims(data map[string]interface{}) string {
-	candidates := []string{"preferred_username", "unique_name", "upn"}
+	candidates := []string{"preferred_username", "unique_name", "upn", "username"}
 	for _, claim := range candidates {
 		userName, found := data[claim].(string)
 		if found {