From 04754e583223b8cf23444b361366ad0d98fcc042 Mon Sep 17 00:00:00 2001
From: David Joy <djoy@edx.org>
Date: Fri, 10 Jan 2020 12:51:46 -0500
Subject: [PATCH] Fixing previous/next buttons - were loading the wrong
 subsection.

---
 src/learning-sequence/sub-section/SubSectionNavigation.jsx | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/learning-sequence/sub-section/SubSectionNavigation.jsx b/src/learning-sequence/sub-section/SubSectionNavigation.jsx
index bed80240..3aa03fc8 100644
--- a/src/learning-sequence/sub-section/SubSectionNavigation.jsx
+++ b/src/learning-sequence/sub-section/SubSectionNavigation.jsx
@@ -33,18 +33,17 @@ function UnitIcon({ type }) {
 
 export default function SubSectionNavigation() {
   const { courseId } = useContext(CourseStructureContext);
-  const subSection = useCurrentSubSection();
   const previousUnit = usePreviousUnit();
   const nextUnit = useNextUnit();
 
   const handlePreviousClick = useCallback(() => {
     if (previousUnit) {
-      history.push(`/course/${courseId}/${subSection.id}/${previousUnit.id}`);
+      history.push(`/course/${courseId}/${previousUnit.parentId}/${previousUnit.id}`);
     }
   });
   const handleNextClick = useCallback(() => {
     if (nextUnit) {
-      history.push(`/course/${courseId}/${subSection.id}/${nextUnit.id}`);
+      history.push(`/course/${courseId}/${nextUnit.parentId}/${nextUnit.id}`);
     }
   });