diff --git a/src/lib/GBPrimePay.ts b/src/lib/GBPrimePay.ts
index 6d54dd9..15d8607 100644
--- a/src/lib/GBPrimePay.ts
+++ b/src/lib/GBPrimePay.ts
@@ -139,7 +139,7 @@ export class GBPrimePay {
   
     const r = await this.$http.postForm(
       GBPrimePayApiUrl[channel],
-      options
+      opt
     )
 
     if (!this.raw) {