diff --git a/LayoutFunctions/WallsLOD200/dependencies/WallsLOD200.Dependencies.csproj b/LayoutFunctions/WallsLOD200/dependencies/WallsLOD200.Dependencies.csproj
index a58e7b7a..e8277aec 100644
--- a/LayoutFunctions/WallsLOD200/dependencies/WallsLOD200.Dependencies.csproj
+++ b/LayoutFunctions/WallsLOD200/dependencies/WallsLOD200.Dependencies.csproj
@@ -6,9 +6,9 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Hypar.Elements" Version="2.1.0" />
-    <PackageReference Include="Hypar.Functions" Version="1.10.0" />
+  <ItemGroup>
+    <PackageReference Include="Hypar.Elements" Version="2.2.0-alpha.29" />
+    <PackageReference Include="Hypar.Functions" Version="1.10.0" />
   </ItemGroup>
 
 </Project>
diff --git a/LayoutFunctions/WallsLOD200/src/WallsLOD200.cs b/LayoutFunctions/WallsLOD200/src/WallsLOD200.cs
index 506c444d..c124252c 100644
--- a/LayoutFunctions/WallsLOD200/src/WallsLOD200.cs
+++ b/LayoutFunctions/WallsLOD200/src/WallsLOD200.cs
@@ -5,6 +5,7 @@ namespace WallsLOD200
 {
     public static partial class WallsLOD200
     {
+        public static double tolerance = 0.0001;
         /// <summary>
         /// The WallsLOD200 function.
         /// </summary>
@@ -114,8 +115,13 @@ private static List<Line> MergeCollinearLines(List<Line> lines)
                         {
                             Line otherLine = mergedLines[j];
 
-                            if (line.TryGetOverlap(otherLine, out var overlap) || line.DistanceTo(otherLine) < 0.0001)
+                            if (line.TryGetOverlap(otherLine, out var overlap) || line.DistanceTo(otherLine) < tolerance)
                             {
+                                // project lines within tolerance but further than epsilon
+                                if (line.DistanceTo(otherLine) > double.Epsilon)
+                                {
+                                    otherLine = otherLine.Projected(line);
+                                }
                                 // Merge collinear lines
                                 Line mergedLine = line.MergedCollinearLine(otherLine);