diff --git a/src/main/java/com/conveyal/r5/analyst/cluster/AnalysisWorker.java b/src/main/java/com/conveyal/r5/analyst/cluster/AnalysisWorker.java
index 2add61702..46bfed946 100644
--- a/src/main/java/com/conveyal/r5/analyst/cluster/AnalysisWorker.java
+++ b/src/main/java/com/conveyal/r5/analyst/cluster/AnalysisWorker.java
@@ -41,6 +41,7 @@
 import java.util.Arrays;
 import java.util.List;
 import java.util.Random;
+import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -407,6 +408,10 @@ protected void handleOneRegionalTask (RegionalTask task) throws Throwable {
 
         LOG.debug("Handling regional task {}", task.toString());
 
+        // Force dual access results for grid (remove once broker has been relaunched to support custom flags)
+        LOG.info("Forcing dual access results");
+        task.flags = Set.of("gridDualAccess");
+
         if (task.injectFault != null) {
             task.injectFault.considerShutdownOrException(task.taskId);
             if (task.injectFault.shouldDropTaskBeforeCompute(task.taskId)) {