diff --git a/core/federated/RTI/rti.c b/core/federated/RTI/rti.c
index e8c590430..48ca1b4af 100644
--- a/core/federated/RTI/rti.c
+++ b/core/federated/RTI/rti.c
@@ -807,9 +807,11 @@ void handle_time_advance_notice(federate_t* fed) {
     LOG_PRINT("RTI received from federate %d the Time Advance Notice (TAN) %lld.",
             fed->id, fed->time_advance - start_time);
 
-    // Update the completed tag to match the TAN.
+    // Update the NET to match the TAN. The NET is a promise that, absent
+    // network inputs, the federate will not produce an output with tag
+    // less than the NET.
     tag_t ta = (tag_t) {.time = fed->time_advance, .microstep = 0};
-    fed->completed = ta;
+    fed->next_event = ta;
     // We need to reply just as if this were a NET because it could unblock
     // network input port control reactions.
     // This is a side-effect of the combination of distributed cycles and