diff --git a/packages/typebot-js/package.json b/packages/typebot-js/package.json
index 18ef93a2c..bdaa41071 100644
--- a/packages/typebot-js/package.json
+++ b/packages/typebot-js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "typebot-js",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "main": "dist/index.js",
   "unpkg": "dist/index.umd.min.js",
   "license": "AGPL-3.0-or-later",
diff --git a/packages/typebot-js/src/iframe/index.ts b/packages/typebot-js/src/iframe/index.ts
index 7c1b662dd..1c232160d 100644
--- a/packages/typebot-js/src/iframe/index.ts
+++ b/packages/typebot-js/src/iframe/index.ts
@@ -37,7 +37,10 @@ const parseStarterVariables = (starterVariables?: {
   starterVariables
     ? `&${Object.keys(starterVariables)
         .filter((key) => starterVariables[key])
-        .map((key) => `${key}=${starterVariables[key]}`)
+        .map(
+          (key) =>
+            `${key}=${encodeURIComponent(starterVariables[key] as string)}`
+        )
         .join('&')}`
     : ''