diff --git a/mods/d2k/rules/structures.yaml b/mods/d2k/rules/structures.yaml
index c21e10c8d1..eda8f4097a 100644
--- a/mods/d2k/rules/structures.yaml
+++ b/mods/d2k/rules/structures.yaml
@@ -194,7 +194,7 @@ barracks:
 			TopLeft: -1024, -1024
 			BottomRight: 1024, 1024
 	Armor:
-		Type: wood
+		Type: building
 	RevealsShroud:
 		Range: 3c768
 	RallyPoint:
@@ -279,7 +279,7 @@ refinery:
 			TopLeft: -1536, 0
 			BottomRight: 512, 1024
 	Armor:
-		Type: building
+		Type: heavy
 	RevealsShroud:
 		Range: 4c768
 	Refinery:
@@ -333,7 +333,7 @@ silo:
 	Health:
 		HP: 15000
 	Armor:
-		Type: wall
+		Type: building
 	RevealsShroud:
 		Range: 2c768
 	RenderSprites:
@@ -389,7 +389,7 @@ light_factory:
 			TopLeft: -1536, -1024
 			BottomRight: 1536, 1024
 	Armor:
-		Type: light
+		Type: building
 	RevealsShroud:
 		Range: 4c768
 	RenderSprites:
@@ -480,7 +480,7 @@ heavy_factory:
 			TopLeft: -512, -1536
 			BottomRight: 512, -512
 	Armor:
-		Type: wood
+		Type: building
 	RevealsShroud:
 		Range: 4c768
 	RallyPoint:
@@ -574,7 +574,7 @@ outpost:
 			TopLeft: -1536, -1024
 			BottomRight: 1536, 1024
 	Armor:
-		Type: light
+		Type: building
 	RevealsShroud:
 		Range: 4c768
 	ProvidesRadar:
@@ -626,7 +626,7 @@ starport:
 			TopLeft: -512, 512
 			BottomRight: 512, 1536
 	Armor:
-		Type: building
+		Type: heavy
 	RevealsShroud:
 		Range: 4c768
 	RallyPoint:
@@ -816,7 +816,7 @@ large_gun_turret:
 	Health:
 		HP: 30000
 	Armor:
-		Type: concrete
+		Type: heavy
 	RevealsShroud:
 		Range: 5c768
 	BodyOrientation:
@@ -926,7 +926,7 @@ high_tech_factory:
 			TopLeft: -512, -1536
 			BottomRight: 512, -512
 	Armor:
-		Type: wood
+		Type: building
 	RevealsShroud:
 		Range: 4c768
 	RenderSprites:
@@ -1007,7 +1007,7 @@ research_centre:
 			TopLeft: -512, -1536
 			BottomRight: 512, -512
 	Armor:
-		Type: wood
+		Type: building
 	RevealsShroud:
 		Range: 4c768
 	RenderSprites:
@@ -1059,7 +1059,7 @@ palace:
 			TopLeft: -512, 512
 			BottomRight: 1536, 1536
 	Armor:
-		Type: wood
+		Type: heavy
 	RevealsShroud:
 		Range: 4c768
 	RenderSprites: