diff --git a/src/vs/libiec61850-wo-goose.def b/src/vs/libiec61850-wo-goose.def
index d6a8f31b..8354e2fa 100644
--- a/src/vs/libiec61850-wo-goose.def
+++ b/src/vs/libiec61850-wo-goose.def
@@ -520,3 +520,7 @@ EXPORTS
     CDC_CTE_create
     CDC_SPV_create
     CDC_TMS_create
+    MmsValue_getUtcTimeQuality
+    MmsConnection_getMmsConnectionParameters
+    IedServer_updateVisibleStringAttributeValue
+
diff --git a/src/vs/libiec61850.def b/src/vs/libiec61850.def
index 2520762a..7ad6426e 100644
--- a/src/vs/libiec61850.def
+++ b/src/vs/libiec61850.def
@@ -597,3 +597,7 @@ EXPORTS
     CDC_CTE_create
     CDC_SPV_create
     CDC_TMS_create
+    MmsValue_getUtcTimeQuality
+    MmsConnection_getMmsConnectionParameters
+    IedServer_updateVisibleStringAttributeValue
+