diff --git a/packages/@wterm/dom/src/renderer.ts b/packages/@wterm/dom/src/renderer.ts
index a5ed237..8bf28ad 100644
--- a/packages/@wterm/dom/src/renderer.ts
+++ b/packages/@wterm/dom/src/renderer.ts
@@ -93,7 +93,8 @@ function escapeHTML(text: string): string {
   return text
     .replace(/&/g, "&")
     .replace(/</g, "&lt;")
-    .replace(/>/g, "&gt;");
+    .replace(/>/g, "&gt;")
+    .replace(/"/g, "&quot;");
 }
 
 function resolveColors(