diff --git a/src/sdk/IframeReference.ts b/src/sdk/IframeReference.ts
index c03f2113..db9fbe2d 100644
--- a/src/sdk/IframeReference.ts
+++ b/src/sdk/IframeReference.ts
@@ -11,19 +11,11 @@ export default class IframeReference {
       return;
     }
 
-    // Validation plus robuste
-    if (!targetOrigin || typeof targetOrigin !== 'string') {
-      console.warn("Invalid targetOrigin provided:", targetOrigin);
-      this.targetOrigin = window.location.origin; // Fallback sécurisé
-      return;
-    }
-
     try {
       new URL(targetOrigin);
       this.targetOrigin = targetOrigin;
     } catch {
-      console.warn(`Invalid targetOrigin: ${targetOrigin}, using fallback`);
-      this.targetOrigin = window.location.origin; // Fallback sécurisé
+      throw new Error(`Invalid targetOrigin: ${targetOrigin}`);
     }
   }