diff --git a/src/ap/dpp_hostapd.c b/src/ap/dpp_hostapd.c
index 81c398927..23b8ec6b5 100644
--- a/src/ap/dpp_hostapd.c
+++ b/src/ap/dpp_hostapd.c
@@ -1692,6 +1692,8 @@ void hostapd_dpp_stop(struct hostapd_data *hapd)
 {
 	dpp_auth_deinit(hapd->dpp_auth);
 	hapd->dpp_auth = NULL;
+	dpp_pkex_free(hapd->dpp_pkex);
+	hapd->dpp_pkex = NULL;
 }
 
 
diff --git a/wpa_supplicant/dpp_supplicant.c b/wpa_supplicant/dpp_supplicant.c
index 693d3853c..8661672cd 100644
--- a/wpa_supplicant/dpp_supplicant.c
+++ b/wpa_supplicant/dpp_supplicant.c
@@ -2448,6 +2448,8 @@ void wpas_dpp_stop(struct wpa_supplicant *wpa_s)
 {
 	dpp_auth_deinit(wpa_s->dpp_auth);
 	wpa_s->dpp_auth = NULL;
+	dpp_pkex_free(wpa_s->dpp_pkex);
+	wpa_s->dpp_pkex = NULL;
 }