diff --git a/plugins/xmm7xxx.c b/plugins/xmm7xxx.c
index 5cb843b9..497bdef9 100644
--- a/plugins/xmm7xxx.c
+++ b/plugins/xmm7xxx.c
@@ -49,6 +49,7 @@
 #include <ofono/stk.h>
 #include <ofono/lte.h>
 #include <ofono/ims.h>
+#include <ofono/sim-auth.h>
 
 #include <drivers/atmodem/atutil.h>
 #include <drivers/atmodem/vendor.h>
@@ -322,6 +323,7 @@ static void xmm7xxx_post_sim(struct ofono_modem *modem)
 
 	ofono_lte_create(modem, "atmodem", data->chat);
 	ofono_radio_settings_create(modem, 0, "xmm7modem", data->chat);
+	ofono_sim_auth_create(modem, 0, "atmodem", data->chat);
 }
 
 static void xmm7xxx_post_online(struct ofono_modem *modem)