diff --git a/reana-ui/src/util.js b/reana-ui/src/util.js
index 2400a44b..619b5ef3 100644
--- a/reana-ui/src/util.js
+++ b/reana-ui/src/util.js
@@ -156,13 +156,16 @@ export function getDuration(start, end) {
 /**
  * Parses workflows date info in a friendly way.
  */
-function parseWorkflowDates(workflow) {
+export function parseWorkflowDates(workflow) {
   const createdMoment = moment.utc(workflow.created);
   const startedMoment = moment.utc(workflow.progress.run_started_at);
   const finishedMoment = moment.utc(workflow.progress.run_finished_at);
   const stoppedMoment = moment.utc(workflow.progress.run_stopped_at);
   // Mapping between workflow status and the end moment to use for calculating the duration
+  // If the workflow has not terminated yet (running, queued, pending), the endMoment should not be
+  // specified, and the current time will be used instead.
   const endMomentStatusMapping = {
+    failed: finishedMoment,
     finished: finishedMoment,
     stopped: stoppedMoment,
     deleted: finishedMoment.isValid() ? finishedMoment : stoppedMoment,
diff --git a/reana-ui/src/util.test.js b/reana-ui/src/util.test.js
index b899655a..00aa1223 100644
--- a/reana-ui/src/util.test.js
+++ b/reana-ui/src/util.test.js
@@ -4,6 +4,7 @@ import {
   formatSearch,
   getDuration,
   getMimeType,
+  parseWorkflowDates,
 } from "~/util";
 
 test.each([
@@ -56,3 +57,31 @@ test.each([
 ])("formatFileSize(%p) === %p", (fileSize, formattedFileSize) => {
   expect(formatFileSize(fileSize)).toEqual(formattedFileSize);
 });
+
+test.each([
+  ["finished", "15 min 0 sec", { run_finished_at: "2024-01-18T08:45:00" }],
+  ["failed", "15 min 0 sec", { run_finished_at: "2024-01-18T08:45:00" }],
+  ["stopped", "10 min 0 sec", { run_stopped_at: "2024-01-18T08:40:00" }],
+  ["running", "20 min 0 sec", {}],
+  ["queued", "20 min 0 sec", {}],
+  ["pending", "20 min 0 sec", {}],
+  ["created", "20 min 0 sec", {}],
+])(
+  `parseWorkflowDates [status: %p], duration === %p`,
+  (status, duration, progress_override) => {
+    const workflow = {
+      status: status,
+      created: "2024-01-18T08:25:00",
+      progress: {
+        run_started_at: "2024-01-18T08:30:00",
+        run_stopped_at: null,
+        run_finished_at: null,
+        ...progress_override,
+      },
+    };
+
+    jest.useFakeTimers();
+    jest.setSystemTime(new Date(2024, 0, 18, 8, 50, 0));
+    expect(parseWorkflowDates(workflow).duration).toEqual(duration);
+  },
+);
diff --git a/run-tests.sh b/run-tests.sh
index 27f829cc..efc8cbeb 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -29,7 +29,7 @@ check_commitlint () {
 }
 
 check_shellcheck () {
-    find . -name "*.sh" -exec shellcheck {} \+
+    find . -name "*.sh" ! -path "./reana-ui/node_modules/*" -exec shellcheck {} \+
 }
 
 check_sphinx () {