diff --git a/index.html b/index.html
index 19f80e5e..df07d894 100644
--- a/index.html
+++ b/index.html
@@ -8039,7 +8039,7 @@
     <script src="utils/stringUtils.js?v=1.99.00"></script>
     <script src="utils/languageUtils.js?v=1.99.00"></script>
     <script src="utils/unitUtils.js?v=1.99.00"></script>
-    <script src="utils/pathUtils.js?v=1.104.0"></script>
+    <script src="utils/pathUtils.js?v=1.105.6"></script>
     <script defer src="utils/debugUtils.js?v=1.99.00"></script>
 
     <script src="modules/voronoi.js"></script>
@@ -8065,7 +8065,7 @@
     <script src="libs/alea.min.js?v1.105.0"></script>
     <script src="libs/polylabel.min.js?v1.105.0"></script>
     <script src="libs/lineclip.min.js?v1.105.0"></script>
-    <script src="libs/simplify.js?v1.105.0"></script>
+    <script src="libs/simplify.js?v1.105.6"></script>
     <script src="modules/fonts.js?v=1.99.03"></script>
     <script src="modules/ui/layers.js?v=1.101.00"></script>
     <script src="modules/ui/measurers.js?v=1.99.00"></script>
diff --git a/libs/simplify.js b/libs/simplify.js
index ecae2ba9..e4086e53 100644
--- a/libs/simplify.js
+++ b/libs/simplify.js
@@ -42,8 +42,9 @@
     const newPoints = [prevPoint];
     let point;
 
-    for (let i = 1, len = points.length; i < len; i++) {
+    for (let i = 1; i < points.length; i++) {
       point = points[i];
+      if (!point) continue;
 
       if (getSqDist(point, prevPoint) > sqTolerance) {
         newPoints.push(point);
@@ -51,8 +52,7 @@
       }
     }
 
-    if (point && prevPoint !== point) newPoints.push(point);
-
+    if (prevPoint !== point) newPoints.push(point);
     return newPoints;
   }
 
diff --git a/utils/pathUtils.js b/utils/pathUtils.js
index 57667233..4f023595 100644
--- a/utils/pathUtils.js
+++ b/utils/pathUtils.js
@@ -158,7 +158,7 @@ function connectVertices({vertices, startingVertex, ofSameType, addToChecked, cl
     else if (v2 !== previous && c2 !== c3) next = v2;
     else if (v3 !== previous && c1 !== c3) next = v3;
 
-    if (!vertices.c[next]) {
+    if (next >= vertices.c.length) {
       ERROR && console.error("ConnectVertices: next vertex is out of bounds");
       break;
     }
diff --git a/versioning.js b/versioning.js
index 87fabf96..0afaecdd 100644
--- a/versioning.js
+++ b/versioning.js
@@ -12,7 +12,7 @@
  *
  * Example: 1.102.2 -> Major version 1, Minor version 102, Patch version 2
  */
-const VERSION = "1.105.5";
+const VERSION = "1.105.6";
 if (parseMapVersion(VERSION) !== VERSION) alert("versioning.js: Invalid format or parsing function");
 
 {