diff --git a/openbsc/src/libcommon/gsm_data.c b/openbsc/src/libcommon/gsm_data.c
index 4e235fd..9d794ee 100644
--- a/openbsc/src/libcommon/gsm_data.c
+++ b/openbsc/src/libcommon/gsm_data.c
@@ -162,6 +162,7 @@
 	{ GSM_AUTH_POLICY_CLOSED,	"closed" },
 	{ GSM_AUTH_POLICY_ACCEPT_ALL,	"accept-all" },
 	{ GSM_AUTH_POLICY_TOKEN,	"token" },
+	{ GSM_AUTH_POLICY_REGEXP,	"regexp" },
 	{ 0,				NULL }
 };