diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index dd7f48f53097..7bc912d00030 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -1954,6 +1954,10 @@ static int match_session(struct cifs_ses *ses,
 	case Kerberos:
 		if (!uid_eq(ctx->cred_uid, ses->cred_uid))
 			return 0;
+		if (strncmp(ses->user_name ?: "",
+			    ctx->username ?: "",
+			    CIFS_MAX_USERNAME_LEN))
+			return 0;
 		break;
 	case NTLMv2:
 	case RawNTLMSSP: