--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -1584,6 +1584,19 @@ static int hostapd_ctrl_iface_get(struct
 		if (os_snprintf_error(buflen, res))
 			return -1;
 		return res;
+	} else if (os_strcmp(cmd, "sae_group_capability") == 0) {
+#ifdef CONFIG_SAE
+		/* see sae_set_group() */
+		res = os_snprintf(buf, buflen, "%s%s%s%s19 20 21",
+				  dh_groups_get(15) ? "15 ": "",
+				  dh_groups_get(16) ? "16 ": "",
+				  dh_groups_get(17) ? "17 ": "",
+				  dh_groups_get(18) ? "18 ": "");
+
+		if (os_snprintf_error(buflen, res))
+			return -1;
+		return res;
+#endif /* CONFIG_SAE */
 	}
 
 	return -1;