diff --git a/mods/cnc/rules/defaults.yaml b/mods/cnc/rules/defaults.yaml
index e97d7e20cf..ec3c49319a 100644
--- a/mods/cnc/rules/defaults.yaml
+++ b/mods/cnc/rules/defaults.yaml
@@ -877,6 +877,8 @@
 	Inherits@1: ^SpriteActor
 	Interactable:
 	AppearsOnRadar:
+	RadarColorFromTerrain:
+		Terrain: Tree
 	Building:
 		Footprint: __ x_
 		Dimensions: 2,2
diff --git a/mods/ra/rules/defaults.yaml b/mods/ra/rules/defaults.yaml
index 732b4b9c1a..6a0dad35b8 100644
--- a/mods/ra/rules/defaults.yaml
+++ b/mods/ra/rules/defaults.yaml
@@ -879,6 +879,8 @@
 	RenderSprites:
 		Palette: terrain
 	AppearsOnRadar:
+	RadarColorFromTerrain:
+		Terrain: Tree
 	Building:
 		Footprint: x
 		Dimensions: 1,1