diff --git a/monitor.c b/monitor.c
index b410965..f1b873d 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1084,9 +1084,7 @@ extern KbdintDevice sshpam_device;
 int
 mm_answer_pam_init_ctx(int sock, Buffer *m)
 {
-
 	debug3("%s", __func__);
-	authctxt->user = buffer_get_string(m, NULL);
 	sshpam_ctxt = (sshpam_device.init_ctx)(authctxt);
 	sshpam_authok = NULL;
 	buffer_clear(m);
@@ -1166,14 +1166,16 @@ mm_answer_pam_respond(int sock, Buffer *m)
 int
 mm_answer_pam_free_ctx(int sock, Buffer *m)
 {
+	int r = sshpam_authok != NULL && sshpam_authok == sshpam_ctxt;
 
 	debug3("%s", __func__);
 	(sshpam_device.free_ctx)(sshpam_ctxt);
+	sshpam_ctxt = sshpam_authok = NULL;
 	buffer_clear(m);
 	mm_request_send(sock, MONITOR_ANS_PAM_FREE_CTX, m);
 	auth_method = "keyboard-interactive";
 	auth_submethod = "pam";
-	return (sshpam_authok == sshpam_ctxt);
+	return r;
 }
 #endif
 
diff --git a/monitor_wrap.c b/monitor_wrap.c
index e6217b3..eac421b 100644
--- a/monitor_wrap.c
+++ b/monitor_wrap.c
@@ -614,7 +614,6 @@ mm_sshpam_init_ctx(Authctxt *authctxt)
 
 	debug3("%s", __func__);
 	buffer_init(&m);
-	buffer_put_cstring(&m, authctxt->user);
 	mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PAM_INIT_CTX, &m);
 	debug3("%s: waiting for MONITOR_ANS_PAM_INIT_CTX", __func__);
 	mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PAM_INIT_CTX, &m);