+--- a/src/ap/wpa_auth.c
++++ b/src/ap/wpa_auth.c
+@@ -776,7 +776,14 @@ void wpa_receive(struct wpa_authenticato
+ }
+
+ if (sm->wpa == WPA_VERSION_WPA2) {
+- if (key->type != EAPOL_KEY_TYPE_RSN) {
++ if (key->type == EAPOL_KEY_TYPE_WPA) {
++ /*
++ * Some deployed station implementations seem to send
++ * msg 4/4 with incorrect type value in WPA2 mode.
++ */
++ wpa_printf(MSG_DEBUG, "Workaround: Allow EAPOL-Key "
++ "with unexpected WPA type in RSN mode");
++ } else if (key->type != EAPOL_KEY_TYPE_RSN) {
+ wpa_printf(MSG_DEBUG, "Ignore EAPOL-Key with "
+ "unexpected type %d in RSN mode",
+ key->type);