diff --git a/src/TSMapEditor/Constants.cs b/src/TSMapEditor/Constants.cs
index 8ec6d9308..3a29ed28e 100644
--- a/src/TSMapEditor/Constants.cs
+++ b/src/TSMapEditor/Constants.cs
@@ -5,7 +5,7 @@ namespace TSMapEditor
 {
     public static class Constants
     {
-        public const string ReleaseVersion = "1.1.6";
+        public const string ReleaseVersion = "1.1.7";
 
         public static int CellSizeX = 48;
         public static int CellSizeY = 24;
diff --git a/src/TSMapEditor/Mutations/Classes/TerrainGenerationMutation.cs b/src/TSMapEditor/Mutations/Classes/TerrainGenerationMutation.cs
index 07b21330a..dceaa1015 100644
--- a/src/TSMapEditor/Mutations/Classes/TerrainGenerationMutation.cs
+++ b/src/TSMapEditor/Mutations/Classes/TerrainGenerationMutation.cs
@@ -592,7 +592,7 @@ private void ApplyAutoLATOnArea()
             maxX++;
 
             // Did we place a LAT ground?
-            var latTileSet = terrainGeneratorConfiguration.TileGroups.Select(tg => tg.TileSet).First(ts => Map.TheaterInstance.Theater.LATGrounds.Exists(lg => lg.GroundTileSet == ts));
+            var latTileSet = terrainGeneratorConfiguration.TileGroups.Select(tg => tg.TileSet).FirstOrDefault(ts => Map.TheaterInstance.Theater.LATGrounds.Exists(lg => lg.GroundTileSet == ts));
             if (latTileSet != null)
             {
                 ApplyAutoLATForTileSetPlacement(latTileSet.Index, minX, minY, maxX, maxY);