diff --git a/src/view/com/util/List.tsx b/src/view/com/util/List.tsx
index 22d0949129..ed43ed5f0d 100644
--- a/src/view/com/util/List.tsx
+++ b/src/view/com/util/List.tsx
@@ -25,6 +25,7 @@ export type ListProps<ItemT> = Omit<
   onRefresh?: () => void
   onItemSeen?: (item: ItemT) => void
   containWeb?: boolean
+  desktopFixedHeight?: number | boolean
   sideBorders?: boolean
   // Web only prop to disable a perf optimization (which would otherwise be on).
   disableContentVisibility?: boolean
diff --git a/src/view/com/util/List.web.tsx b/src/view/com/util/List.web.tsx
index d4bd1b0039..6b0c17762c 100644
--- a/src/view/com/util/List.web.tsx
+++ b/src/view/com/util/List.web.tsx
@@ -22,7 +22,7 @@ export type ListProps<ItemT> = Omit<
   refreshing?: boolean
   onRefresh?: () => void
   onItemSeen?: (item: ItemT) => void
-  desktopFixedHeight: any // TODO: Better types.
+  desktopFixedHeight?: number | boolean
   containWeb?: boolean
   sideBorders?: boolean
   disableContentVisibility?: boolean