diff --git a/project.mml b/project.mml
index 8908c366f3..06ec9279f9 100644
--- a/project.mml
+++ b/project.mml
@@ -99,7 +99,7 @@ Layer:
               OR "natural" IN ('wood', 'wetland', 'mud', 'sand', 'scree', 'shingle', 'bare_rock', 'heath', 'grassland'))
               AND way_area > 0.01*!pixel_width!::real*!pixel_height!::real
               AND building IS NULL
-            ORDER BY way_area DESC
+            ORDER BY way_area DESC, osm_id
           ) AS features
         ) AS landcover_low_zoom
     properties:
@@ -153,7 +153,7 @@ Layer:
               OR highway IN ('services', 'rest_area')
               OR railway = 'station')
               AND way_area > 0.01*!pixel_width!::real*!pixel_height!::real
-            ORDER BY way_area DESC
+            ORDER BY way_area DESC, osm_id
           ) AS landcover
         ) AS features
     properties: