diff --git a/packages/form-handlers/src/shared.ts b/packages/form-handlers/src/shared.ts
index 24560ee6ad1f..8520a9c562e6 100644
--- a/packages/form-handlers/src/shared.ts
+++ b/packages/form-handlers/src/shared.ts
@@ -43,6 +43,9 @@ export const formToEmail = ({
   html += "<table><tbody>";
 
   for (const [key, value] of formData) {
+    if (typeof value !== "string") {
+      continue;
+    }
     html += `<tr><td><strong>${key}:</strong></td><td>${value}</td></tr>`;
     txt += `${key}: ${value}\n`;
   }