diff --git a/OpenRA.Mods.Common/Traits/Buildings/FootprintUtils.cs b/OpenRA.Mods.Common/Traits/Buildings/FootprintUtils.cs
index 172fe00600..4b890f681c 100644
--- a/OpenRA.Mods.Common/Traits/Buildings/FootprintUtils.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/FootprintUtils.cs
@@ -65,7 +65,8 @@ namespace OpenRA.Mods.Common.Traits
 		public static WVec CenterOffset(World w, BuildingInfo buildingInfo)
 		{
 			var dim = buildingInfo.Dimensions;
-			return (w.Map.CenterOfCell(CPos.Zero + new CVec(dim.X, dim.Y)) - w.Map.CenterOfCell(new CPos(1, 1))) / 2;
+			var off = (w.Map.CenterOfCell(new CPos(dim.X, dim.Y)) - w.Map.CenterOfCell(new CPos(1, 1))) / 2;
+			return off - new WVec(0, 0, off.Z);
 		}
 	}
 }
diff --git a/mods/ts/sequences/structures.yaml b/mods/ts/sequences/structures.yaml
index cd8840f55f..21d42b72d3 100644
--- a/mods/ts/sequences/structures.yaml
+++ b/mods/ts/sequences/structures.yaml
@@ -237,7 +237,7 @@ napowr:
 
 naapwr:
 	Defaults:
-		Offset: 12, -40
+		Offset: 12, -30
 		UseTilesetCode: true
 	idle:
 		ShadowStart: 3
@@ -718,7 +718,7 @@ napuls.nod:
 
 nastlh:
 	Defaults:
-		Offset: -6, -30
+		Offset: -16, -28
 		UseTilesetCode: true
 	idle:
 		ShadowStart: 3
@@ -1183,7 +1183,7 @@ namisl:
 
 gaplug:
 	Defaults:
-		Offset: 12, -40
+		Offset: 12, -28
 		UseTilesetCode: true
 	idle:
 		ShadowStart: 3