diff --git a/src/course-home/data/__snapshots__/redux.test.js.snap b/src/course-home/data/__snapshots__/redux.test.js.snap
index 1ccdd87ca4..dc7e0465a6 100644
--- a/src/course-home/data/__snapshots__/redux.test.js.snap
+++ b/src/course-home/data/__snapshots__/redux.test.js.snap
@@ -528,6 +528,7 @@ exports[`Data layer integration tests Test fetchOutlineTab Should fetch, normali
               "hideFromTOC": undefined,
               "icon": null,
               "id": "block-v1:edX+DemoX+Demo_Course+type@sequential+block@bcdabcdabcdabcdabcdabcdabcdabcd1",
+              "isPreview": false,
               "navigationDisabled": undefined,
               "sectionId": "block-v1:edX+DemoX+Demo_Course+type@chapter+block@bcdabcdabcdabcdabcdabcdabcdabcd2",
               "showLink": true,
diff --git a/src/course-home/data/api.js b/src/course-home/data/api.js
index 88d684c83e..63318b18b5 100644
--- a/src/course-home/data/api.js
+++ b/src/course-home/data/api.js
@@ -155,6 +155,7 @@ export function normalizeOutlineBlocks(courseId, blocks) {
           title: block.display_name,
           hideFromTOC: block.hide_from_toc,
           navigationDisabled: block.navigation_disabled,
+          isPreview: block.is_preview,
         };
         break;
 
diff --git a/src/shared/data/__factories__/courseBlocks.factory.js b/src/shared/data/__factories__/courseBlocks.factory.js
index 842b78e1cd..4aec041479 100644
--- a/src/shared/data/__factories__/courseBlocks.factory.js
+++ b/src/shared/data/__factories__/courseBlocks.factory.js
@@ -116,6 +116,7 @@ export function buildMinimalCourseBlocks(courseId, title, options = {}) {
       effort_activities: 2,
       effort_time: 15,
       type: 'sequential',
+      is_preview: false,
     },
     { courseId },
   )];