diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index bfe8efe26..6da068e47 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -4006,6 +4006,15 @@ static int wpa_supplicant_ctrl_iface_get_capability(
 	}
 #endif /* CONFIG_ACS */
 
+#ifdef CONFIG_FILS
+	if (os_strcmp(field, "fils") == 0) {
+		res = os_snprintf(buf, buflen, "FILS");
+		if (os_snprintf_error(buflen, res))
+			return -1;
+		return res;
+	}
+#endif /* CONFIG_FILS */
+
 	wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
 		   field);