diff --git a/src/backend/distributed/utils/maintenanced.c b/src/backend/distributed/utils/maintenanced.c
index 5f49de20a..7f236eeaf 100644
--- a/src/backend/distributed/utils/maintenanced.c
+++ b/src/backend/distributed/utils/maintenanced.c
@@ -275,7 +275,7 @@ WarnMaintenanceDaemonNotStarted(void)
  * be started by the background worker infrastructure.  If it errors out,
  * it'll be restarted after a few seconds.
  */
-void
+PGDLLEXPORT void
 CitusMaintenanceDaemonMain(Datum main_arg)
 {
 	Oid databaseOid = DatumGetObjectId(main_arg);
diff --git a/src/include/distributed/maintenanced.h b/src/include/distributed/maintenanced.h
index a09d89085..de1e68883 100644
--- a/src/include/distributed/maintenanced.h
+++ b/src/include/distributed/maintenanced.h
@@ -29,6 +29,6 @@ extern void MaintenanceDaemonShmemInit(void);
 extern void InitializeMaintenanceDaemonBackend(void);
 extern bool LockCitusExtension(void);
 
-extern void CitusMaintenanceDaemonMain(Datum main_arg);
+extern PGDLLEXPORT void CitusMaintenanceDaemonMain(Datum main_arg);
 
 #endif /* MAINTENANCED_H */
diff --git a/src/include/distributed/metadata_sync.h b/src/include/distributed/metadata_sync.h
index d5878ec71..5d7cf5544 100644
--- a/src/include/distributed/metadata_sync.h
+++ b/src/include/distributed/metadata_sync.h
@@ -119,7 +119,7 @@ extern List * InterTableRelationshipOfRelationCommandList(Oid relationId);
 extern List * DetachPartitionCommandList(void);
 extern void SyncNodeMetadataToNodes(void);
 extern BackgroundWorkerHandle * SpawnSyncNodeMetadataToNodes(Oid database, Oid owner);
-extern void SyncNodeMetadataToNodesMain(Datum main_arg);
+extern PGDLLEXPORT void SyncNodeMetadataToNodesMain(Datum main_arg);
 extern void SignalMetadataSyncDaemon(Oid database, int sig);
 extern bool ShouldInitiateMetadataSync(bool *lockFailure);
 extern List * SequenceDependencyCommandList(Oid relationId);