diff --git a/src/eap-mschapv2.c b/src/eap-mschapv2.c
index 29475070..77fbc1bc 100644
--- a/src/eap-mschapv2.c
+++ b/src/eap-mschapv2.c
@@ -559,12 +559,13 @@ static void eap_mschapv2_handle_success(struct eap_state *eap,
 		goto err;
 
 	eap_method_success(eap);
-	/* The eapol set_key_material only needs msk, and that's all we got */
-	eap_set_key_material(eap, session_key, 32, NULL, 0, NULL, 0);
 
 	buffer[5] = MSCHAPV2_OP_SUCCESS;
 	eap_send_response(eap, EAP_TYPE_MSCHAPV2, buffer, sizeof(buffer));
 
+	/* The eapol set_key_material only needs msk, and that's all we got */
+	eap_set_key_material(eap, session_key, 32, NULL, 0, NULL, 0);
+
 	return;
 
 err: