diff --git a/include/osmocom/gsm/gsup.h b/include/osmocom/gsm/gsup.h
index 49ddb74..c883dfb 100644
--- a/include/osmocom/gsm/gsup.h
+++ b/include/osmocom/gsm/gsup.h
@@ -196,9 +196,11 @@
 	OSMO_GSUP_MSGT_E_CLOSE					= 0b01000111,
 	OSMO_GSUP_MSGT_E_ABORT					= 0b01001011,
 
-	OSMO_GSUP_MSGT_E_ROUTING_ERROR				= 0b01001110,
+	OSMO_GSUP_MSGT_ROUTING_ERROR				= 0b01001110,
 };
 
+#define OSMO_GSUP_MSGT_E_ROUTING_ERROR OSMO_GSUP_MSGT_ROUTING_ERROR
+
 #define OSMO_GSUP_IS_MSGT_REQUEST(msgt) (((msgt) & 0b00000011) == 0b00)
 #define OSMO_GSUP_IS_MSGT_ERROR(msgt)   (((msgt) & 0b00000011) == 0b01)
 #define OSMO_GSUP_TO_MSGT_ERROR(msgt)   (((msgt) & 0b11111100) | 0b01)