diff --git a/application/src/main/java/org/opentripplanner/model/TimetableSnapshot.java b/application/src/main/java/org/opentripplanner/model/TimetableSnapshot.java
index 3865b9851d0..9e111e1784c 100644
--- a/application/src/main/java/org/opentripplanner/model/TimetableSnapshot.java
+++ b/application/src/main/java/org/opentripplanner/model/TimetableSnapshot.java
@@ -606,12 +606,12 @@ private boolean clearEntriesForRealtimeAddedTrips(String feedId) {
   }
 
   /**
-   * Add the patterns to the stop index, only if they come from a modified pattern
+   * Add patterns to the stop index for patterns created by realtime updaters.
+   * This ensures that realtime-added trips (like SIRI ET ExtraJourneys) appear in
+   * departure board queries at stops.
    */
   private void addPatternToIndex(TripPattern tripPattern) {
     if (tripPattern.isCreatedByRealtimeUpdater()) {
-      //TODO - SIRI: Add pattern to index?
-
       for (var stop : tripPattern.getStops()) {
         patternsForStop.put(stop, tripPattern);
       }
diff --git a/application/src/main/java/org/opentripplanner/updater/trip/siri/AddedTripBuilder.java b/application/src/main/java/org/opentripplanner/updater/trip/siri/AddedTripBuilder.java
index bb775dd2e7d..b1a33965e54 100644
--- a/application/src/main/java/org/opentripplanner/updater/trip/siri/AddedTripBuilder.java
+++ b/application/src/main/java/org/opentripplanner/updater/trip/siri/AddedTripBuilder.java
@@ -233,6 +233,7 @@ Result<TripUpdate, UpdateError> build() {
       .withNetexSubmode(trip.getNetexSubMode())
       .withStopPattern(stopPattern)
       .withScheduledTimeTableBuilder(builder -> builder.addTripTimes(tripTimes))
+      .withCreatedByRealtimeUpdater(true)
       .build();
 
     RealTimeTripTimesBuilder builder = tripTimes.createRealTimeFromScheduledTimes();
diff --git a/application/src/test/java/org/opentripplanner/updater/trip/siri/moduletests/extrajourney/ExtraJourneyTest.java b/application/src/test/java/org/opentripplanner/updater/trip/siri/moduletests/extrajourney/ExtraJourneyTest.java
index 6aebbb4e26d..805f324e6dc 100644
--- a/application/src/test/java/org/opentripplanner/updater/trip/siri/moduletests/extrajourney/ExtraJourneyTest.java
+++ b/application/src/test/java/org/opentripplanner/updater/trip/siri/moduletests/extrajourney/ExtraJourneyTest.java
@@ -2,6 +2,7 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.opentripplanner.transit.model._data.FeedScopedIdForTestFactory.id;
 import static org.opentripplanner.updater.spi.UpdateResultAssertions.assertFailure;
 
@@ -79,6 +80,20 @@ void testAddJourneyWithExistingRoute() {
       transitService.findPatterns(route).size(),
       "The added trip should use a new pattern for this route"
     );
+
+    // Verify ExtraJourney appears in departure board (#7008)
+    var expectedPattern = transitService.findPattern(trip);
+    var patternsAtStopC = transitService.findPatterns(STOP_C, true);
+    assertTrue(
+      patternsAtStopC.contains(expectedPattern),
+      "ExtraJourney pattern should appear in patterns for stop C (departure board)"
+    );
+
+    var patternsAtStopD = transitService.findPatterns(STOP_D, true);
+    assertTrue(
+      patternsAtStopD.contains(expectedPattern),
+      "ExtraJourney pattern should appear in patterns for stop D (arrival board)"
+    );
   }
 
   @Test