diff --git a/mods/cnc/rules/structures.yaml b/mods/cnc/rules/structures.yaml
index 28bcee7632..d043c3a41e 100644
--- a/mods/cnc/rules/structures.yaml
+++ b/mods/cnc/rules/structures.yaml
@@ -108,7 +108,7 @@ NUKE:
 		Prerequisites: fact
 		Queue: Building.GDI, Building.Nod
 	Building:
-		Footprint: x_ xx
+		Footprint: xx xx
 		Dimensions: 2,2
 	Health:
 		HP: 500
@@ -133,7 +133,7 @@ NUK2:
 		Prerequisites: anyhq, ~techlevel.medium
 		Queue: Building.GDI, Building.Nod
 	Building:
-		Footprint: x_ xx
+		Footprint: xx xx
 		Dimensions: 2,2
 	Health:
 		HP: 700