diff --git a/OpenRA.Mods.Common/Traits/World/BuildableTerrainOverlay.cs b/OpenRA.Mods.Common/Traits/World/BuildableTerrainOverlay.cs
index de47a972a1..caf30fa415 100644
--- a/OpenRA.Mods.Common/Traits/World/BuildableTerrainOverlay.cs
+++ b/OpenRA.Mods.Common/Traits/World/BuildableTerrainOverlay.cs
@@ -29,7 +29,7 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("Sprite definition.")]
 		public readonly string Image = "overlay";
 
-		[SequenceReference("Image")]
+		[SequenceReference(nameof(Image))]
 		[Desc("Sequence to use for unbuildable area.")]
 		public readonly string Sequence = "build-invalid";
 
diff --git a/OpenRA.Mods.D2k/Traits/Buildings/D2kActorPreviewPlaceBuildingPreview.cs b/OpenRA.Mods.D2k/Traits/Buildings/D2kActorPreviewPlaceBuildingPreview.cs
index ed4a991e55..8a51d70dfa 100644
--- a/OpenRA.Mods.D2k/Traits/Buildings/D2kActorPreviewPlaceBuildingPreview.cs
+++ b/OpenRA.Mods.D2k/Traits/Buildings/D2kActorPreviewPlaceBuildingPreview.cs
@@ -33,15 +33,15 @@ namespace OpenRA.Mods.D2k.Traits
 		[Desc("Sprite image to use for the overlay.")]
 		public readonly string Image = "overlay";
 
-		[SequenceReference("Image")]
+		[SequenceReference(nameof(Image))]
 		[Desc("Sprite overlay to use for valid cells.")]
 		public readonly string TileValidName = "build-valid";
 
-		[SequenceReference("Image")]
+		[SequenceReference(nameof(Image))]
 		[Desc("Sprite overlay to use for invalid cells.")]
 		public readonly string TileInvalidName = "build-invalid";
 
-		[SequenceReference("Image")]
+		[SequenceReference(nameof(Image))]
 		[Desc("Sprite overlay to use for blocked cells.")]
 		public readonly string TileUnsafeName = "build-unsafe";