diff --git a/core/federated/RTI/rti_remote.c b/core/federated/RTI/rti_remote.c
index ba90b7d13d..a9e929d34c 100644
--- a/core/federated/RTI/rti_remote.c
+++ b/core/federated/RTI/rti_remote.c
@@ -432,7 +432,7 @@ static void* pending_provisional_grant_thread(void* federate) {
  * @param e The scheduling node.
  * @param tag The provisional tag to grant.
  */
-void notify_provisional_tag_advance_grant_delayed(scheduling_node_t* e, tag_t tag) {
+static void notify_provisional_tag_advance_grant_delayed(scheduling_node_t* e, tag_t tag) {
     federate_info_t* fed = (federate_info_t*)e;
 
     // Proceed with the delayed provisional tag grant notification only if