diff --git a/TileBakeLibrary/CityJSONParsing/CityJSON.cs b/TileBakeLibrary/CityJSONParsing/CityJSON.cs
index d1cef09..c1fb4fe 100644
--- a/TileBakeLibrary/CityJSONParsing/CityJSON.cs
+++ b/TileBakeLibrary/CityJSONParsing/CityJSON.cs
@@ -402,7 +402,7 @@ private Surface ReadSurfaceVectors(JSONNode surfacenode, CityObject sourceCityOb
 					surf.innerRings.Add(verts);	
 				}
 				else{
-					sourceCityObject.warnings += "- Holes in surface detected, but not supported. Ignoring holes.\n";
+					sourceCityObject.holeWarnings += "- Found a hole with less than 3 vertices, skipping this hole.\n";
 				}
 			}
 			
@@ -432,7 +432,8 @@ public class CityObject
 		public string cityObjectType;
 		public string keyName = "";
 
-		public string warnings = "";
+		public string holeWarnings = "";
+		public string triangulationWarnings = "";
 
 		public CityObject()
 		{
diff --git a/TileBakeLibrary/CityJSONToTileConverter.cs b/TileBakeLibrary/CityJSONToTileConverter.cs
index 529f81f..82286f2 100644
--- a/TileBakeLibrary/CityJSONToTileConverter.cs
+++ b/TileBakeLibrary/CityJSONToTileConverter.cs
@@ -478,10 +478,12 @@ private List<SubObject> CityJSONParseProcess(CityJSON cityJson, ConcurrentBag<st
 				CityObject cityObject = cityJson.LoadCityObjectByIndex(i, lod);
 				var subObject = ToSubObjectMeshData(cityObject);
 				
-				if(!string.IsNullOrEmpty(cityObject.warnings))
-				{
-					warnings.Add(cityObject.keyName + ":\n" + cityObject.warnings);
-				}
+				//Collect warnings for log
+				if(!string.IsNullOrEmpty(cityObject.holeWarnings))
+					warnings.Add(cityObject.keyName + ":\n" + cityObject.holeWarnings);
+				
+				if(!string.IsNullOrEmpty(cityObject.triangulationWarnings))
+					warnings.Add(cityObject.keyName + ":\n" + cityObject.holeWarnings);
 
 				cityObject = null;
 				Interlocked.Decrement(ref parsing);
diff --git a/TileBakeLibrary/SubObject.cs b/TileBakeLibrary/SubObject.cs
index fd186da..655794c 100644
--- a/TileBakeLibrary/SubObject.cs
+++ b/TileBakeLibrary/SubObject.cs
@@ -50,7 +50,6 @@ public void MergeSimilarVertices()
 			Vector2 uv = new Vector2(0,0);
 			int oldIndex = 0;
 			int newIndex = 0;
-
 			
 			Dictionary<VertexNormalCombination,int> vertexNormalCombinations = new Dictionary<VertexNormalCombination,int>();
             for (int i = 0; i < triangleIndices.Count; i++)
@@ -236,19 +235,18 @@ public List<SubObject> ClipSubobject(Vector2 size)
                 }
 				else
 				{ 
-                for (int y = localYmin; y < localYmax; y += (int)size.Y)
-                {
-                    SubObject newSubobject = ClipMesh(columnMesh, x, y,size.Y);
-                    if (newSubobject != null)
-                    {
+					for (int y = localYmin; y < localYmax; y += (int)size.Y)
+					{
+						SubObject newSubobject = ClipMesh(columnMesh, x, y,size.Y);
+						if (newSubobject != null)
+						{
 
-                        subObjects.Add(newSubobject);
-                    }
-                }
+							subObjects.Add(newSubobject);
+						}
+					}
 				}
 			}
 
-
             return subObjects;
 		}
 
diff --git a/TileBakeLibrary/Triangulation/Poly2Mesh.cs b/TileBakeLibrary/Triangulation/Poly2Mesh.cs
index 42d5a38..a2c5e2b 100644
--- a/TileBakeLibrary/Triangulation/Poly2Mesh.cs
+++ b/TileBakeLibrary/Triangulation/Poly2Mesh.cs
@@ -266,7 +266,7 @@ public static void CreateMeshData(Polygon polygon, out Vector3[] vertices, out V
             {
                 Console.WriteLine("Failed to triangulate polygon: " + e.Message);
                 Console.WriteLine("With name: " + cityObject.keyName);
-                cityObject.warnings += "- Failed to triangulate polygon: " + e.Message + "\n";
+                cityObject.triangulationWarnings += "- Failed to triangulate polygon: " + e.Message + "\n";
                 return;
             }
             // Now, to get back to our original positions, use our code-to-position map.  We do