diff --git a/docs/changelog.txt b/docs/changelog.txt
index e078c870da..99de94d218 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -70,6 +70,7 @@ Template for new versions:
 - `3dveins`: fix failure on embarks that cross midmap tiles
 - `aquifer`: make ``--skip-top`` and top-relative ``--levels`` take effect for the ``drain``, ``convert``, and ``add`` actions instead of being silently ignored
 - `autodump`: ``destroy`` no longer leaves the contents of destroyed containers in limbo or crashes when destroying unit-held items
+- `buildingplan`: fix roller material estimate asking for one chain per tile instead of one chain total
 - `buildingplan`: fix "Unlink all" only unlinking some mechanisms (or crashing) when freeing mechanisms from the building
 - `timestream`: deal properly with units who have breathing difficulties
 - `stocks`: overlay now resets scroll position when collapsing categories so the item list is no longer left blank and unscrollable
diff --git a/plugins/lua/buildingplan/planneroverlay.lua b/plugins/lua/buildingplan/planneroverlay.lua
index 4d7180afed..d7163bcd91 100644
--- a/plugins/lua/buildingplan/planneroverlay.lua
+++ b/plugins/lua/buildingplan/planneroverlay.lua
@@ -208,7 +208,8 @@ local function get_quantity(filter, hollow, bounds)
         end
         return quantity * count
     end
-    return quantity * get_selected_volume(bounds)
+    -- job item quantities are totals for the whole building, not per-tile
+    return quantity
 end
 
 local function cur_building_has_no_area()