ranap_msg_factory: Mark 'RANAP_Cause_t *' as const
diff --git a/src/ranap_msg_factory.h b/src/ranap_msg_factory.h
index 810bee5..2344b05 100644
--- a/src/ranap_msg_factory.h
+++ b/src/ranap_msg_factory.h
@@ -28,7 +28,7 @@
 
 /*! \brief generate RANAP RESET message */
 struct msgb *ranap_new_msg_reset(RANAP_CN_DomainIndicator_t domain,
-				 RANAP_Cause_t *cause);
+				 const RANAP_Cause_t *cause);
 
 /*! \brief generate RANAP RESET ACK message */
 struct msgb *ranap_new_msg_reset_ack(RANAP_CN_DomainIndicator_t domain,