diff --git a/src/discussions/data/hooks.js b/src/discussions/data/hooks.js
index bd64332e..3297888f 100644
--- a/src/discussions/data/hooks.js
+++ b/src/discussions/data/hooks.js
@@ -97,7 +97,7 @@ export function useRedirectToThread(courseId, inContext) {
 
 export function useIsOnDesktop() {
   const windowSize = useWindowSize();
-  return windowSize.width >= breakpoints.large.minWidth;
+  return windowSize.width >= breakpoints.medium.minWidth;
 }
 
 export function useIsOnXLDesktop() {