diff --git a/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/replay/ReplayFlowFactoryAction.java b/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/replay/ReplayFlowFactoryAction.java
index fb6ae3033..0c618a183 100644
--- a/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/replay/ReplayFlowFactoryAction.java
+++ b/plugin/src/main/java/org/jenkinsci/plugins/workflow/cps/replay/ReplayFlowFactoryAction.java
@@ -52,7 +52,7 @@ class ReplayFlowFactoryAction extends InvisibleAction implements CpsFlowFactoryA
 
     private String replacementMainScript;
     private final Map<String,String> replacementLoadedScripts;
-    private transient final boolean sandbox;
+    private final boolean sandbox;
     
     ReplayFlowFactoryAction(@NonNull String replacementMainScript, @NonNull Map<String,String> replacementLoadedScripts, boolean sandbox) {
         this.replacementMainScript = replacementMainScript;
diff --git a/plugin/src/test/java/org/jenkinsci/plugins/workflow/Workflow2Test.java b/plugin/src/test/java/org/jenkinsci/plugins/workflow/Workflow2Test.java
new file mode 100644
index 000000000..a32856bed
--- /dev/null
+++ b/plugin/src/test/java/org/jenkinsci/plugins/workflow/Workflow2Test.java
@@ -0,0 +1,93 @@
+/*
+ * The MIT License
+ *
+ * Copyright (c) 2013-2014, CloudBees, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package org.jenkinsci.plugins.workflow;
+
+import static org.awaitility.Awaitility.await;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.HashMap;
+import org.hamcrest.Matchers;
+import org.jenkinsci.plugins.workflow.cps.CpsFlowDefinition;
+import org.jenkinsci.plugins.workflow.cps.CpsFlowExecution;
+import org.jenkinsci.plugins.workflow.cps.replay.ReplayAction;
+import org.jenkinsci.plugins.workflow.job.WorkflowJob;
+import org.jenkinsci.plugins.workflow.job.WorkflowRun;
+import org.jenkinsci.plugins.workflow.support.steps.input.InputAction;
+import org.jenkinsci.plugins.workflow.support.steps.input.InputStepExecution;
+import org.junit.Rule;
+import org.junit.Test;
+import org.jvnet.hudson.test.JenkinsRule;
+import org.jvnet.hudson.test.JenkinsSessionRule;
+
+/**
+ * Tests of pipelines that involve restarting Jenkins in the middle.
+ */
+public class Workflow2Test {
+    @Rule
+    public JenkinsSessionRule story = new JenkinsSessionRule();
+
+    @Test
+    public void restartAReplayedBuild() throws Throwable {
+        story.then(Workflow2Test::stage1);
+        story.then(Workflow2Test::stage2);
+    }
+
+    /**
+     * <li>Create a project with concurrency disabled
+     * <li>Schedule a first build, paused waiting for input.
+     * <li>Replay it. Since the first build is still running, the replayed build is in queue.
+     */
+    private static void stage1(JenkinsRule r) throws Throwable {
+        WorkflowJob p = r.createProject(WorkflowJob.class, "demo");
+        p.setConcurrentBuild(false);
+        p.setDefinition(new CpsFlowDefinition("input 'Waiting for approval'", true));
+        WorkflowRun b = p.scheduleBuild2(0).waitForStart();
+        r.waitForMessage("Waiting for approval", b);
+        // Start a replay
+        b.getAction(ReplayAction.class).run("input 'Waiting for approval'", new HashMap<>());
+    }
+
+    /**
+     * After a restart
+     * <li>unblock the first build, allowing it to complete
+     * <li>check sandbox status for the second build
+     */
+    private static void stage2(JenkinsRule r) throws Throwable {
+        var p = r.jenkins.getItemByFullName("demo", WorkflowJob.class);
+        var b = p.getBuildByNumber(1);
+        InputAction inputAction = b.getAction(InputAction.class);
+        assertNotNull(inputAction);
+        assertTrue(inputAction.isWaitingForInput());
+        InputStepExecution inputStepExecution = inputAction.getExecutions().get(0);
+        assertNotNull(inputStepExecution);
+        inputStepExecution.proceed(null);
+        r.assertBuildStatusSuccess(r.waitForCompletion(b));
+        var b2 = await().until(() -> p.getBuildByNumber(2), Matchers.notNullValue());
+        assertThat("Expecting the replayed build to use sandbox", ((CpsFlowExecution) b2.getExecution()).isSandbox(), is(true));
+    }
+}