diff --git a/src/vs/libiec61850.def b/src/vs/libiec61850.def
index 2d5fa224..c0b01b2f 100644
--- a/src/vs/libiec61850.def
+++ b/src/vs/libiec61850.def
@@ -752,3 +752,5 @@ EXPORTS
     ClientReport_hasSubSeqNum
     ClientReport_getSubSeqNum
     ClientReport_getMoreSeqmentsFollow
+    SVPublisher_ASDU_enableRefrTm
+    SVPublisher_ASDU_setSmpSynch