diff --git a/source/common/utility/tarray.h b/source/common/utility/tarray.h
index a7decd4f3..61dc5e12c 100644
--- a/source/common/utility/tarray.h
+++ b/source/common/utility/tarray.h
@@ -213,7 +213,7 @@ public:
 	{
 	}
 	////////
-	TArray ()
+	constexpr TArray ()
 	{
 		Most = 0;
 		Count = 0;
diff --git a/source/core/textures/buildtiles.cpp b/source/core/textures/buildtiles.cpp
index 9e219a8d0..3edf86661 100644
--- a/source/core/textures/buildtiles.cpp
+++ b/source/core/textures/buildtiles.cpp
@@ -225,13 +225,12 @@ static FGameTexture* GetTileTexture(const char* name, const TArray<uint8_t>& bac
 void BuildTiles::Init()
 {
 	Placeholder = TexMan.GameByIndex(0);
+	tiledata.Resize(MAXTILES);
+	memset(tiledata.Data(), 0, sizeof(tiledata[0]) * MAXTILES);
 	for (auto& tile : tiledata)
 	{
 		tile.texture = Placeholder;
-		tile.picanm = {};
-		tile.replacement = ReplacementType::Art;
 		tile.alphaThreshold = 0.5;
-		tile.hiofs = {};
 	}
 
 }
diff --git a/source/core/textures/buildtiles.h b/source/core/textures/buildtiles.h
index befd841a5..c10fb5ffe 100644
--- a/source/core/textures/buildtiles.h
+++ b/source/core/textures/buildtiles.h
@@ -284,7 +284,7 @@ struct BuildTiles
 {
 	FGameTexture* Placeholder;
 	TDeletingArray<BuildArtFile*> ArtFiles;
-	TileDesc tiledata[MAXTILES];
+	TArray<TileDesc> tiledata;
 	TArray<FString> addedArt;
 	TMap<FName, int> nametoindex;
 	TMap<int, int> textotile;