diff --git a/.gitignore b/.gitignore
index 3fbb8b82..fbe64a0d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 # build output
+public
 dist
 .next
 out/
diff --git a/src/altNodes/altMixins.ts b/src/altNodes/altMixins.ts
index 23a19392..c1e6fde5 100644
--- a/src/altNodes/altMixins.ts
+++ b/src/altNodes/altMixins.ts
@@ -14,7 +14,7 @@ export interface AltGeometryMixin {
   strokeAlign: "CENTER" | "INSIDE" | "OUTSIDE";
   strokeCap: StrokeCap | PluginAPI["mixed"];
   strokeJoin: StrokeJoin | PluginAPI["mixed"];
-  dashPattern: ReadonlyArray<number>;
+  dashPattern?: ReadonlyArray<number>;
   fillStyleId: string | PluginAPI["mixed"];
   strokeStyleId: string;
 }
diff --git a/src/html/htmlDefaultBuilder.ts b/src/html/htmlDefaultBuilder.ts
index 32d8cd6a..1a8c744e 100644
--- a/src/html/htmlDefaultBuilder.ts
+++ b/src/html/htmlDefaultBuilder.ts
@@ -56,7 +56,7 @@ export class HtmlDefaultBuilder {
       const fill = this.retrieveFill(node.strokes);
       const weight = node.strokeWeight;
 
-      if (node.dashPattern.length > 0) {
+      if (node.dashPattern && node.dashPattern.length > 0) {
         this.style += formatWithJSX("border-style", this.isJSX, "dotted");
       } else {
         this.style += formatWithJSX("border-style", this.isJSX, "solid");