diff --git a/apps/passport-server/src/routing/routes/genericIssuanceRoutes.ts b/apps/passport-server/src/routing/routes/genericIssuanceRoutes.ts
index 49849dcb29..a311886246 100644
--- a/apps/passport-server/src/routing/routes/genericIssuanceRoutes.ts
+++ b/apps/passport-server/src/routing/routes/genericIssuanceRoutes.ts
@@ -669,7 +669,7 @@ export function initGenericIssuanceRoutes(
     }
   );
 
-  app.post(
+  app.get(
     "/generic-issuance/api/ticket-previews/:email/:orderCode",
     async (req, res) => {
       checkGenericIssuanceServiceStarted(genericIssuanceService);
diff --git a/packages/lib/passport-interface/src/api/requestGenericIssuanceTicketPreviews.ts b/packages/lib/passport-interface/src/api/requestGenericIssuanceTicketPreviews.ts
index 6003b6dca4..f5af75965f 100644
--- a/packages/lib/passport-interface/src/api/requestGenericIssuanceTicketPreviews.ts
+++ b/packages/lib/passport-interface/src/api/requestGenericIssuanceTicketPreviews.ts
@@ -1,7 +1,7 @@
 import urlJoin from "url-join";
 import { TicketPreviewResultValue } from "../RequestTypes";
 import { APIResult } from "./apiResult";
-import { httpPostSimple } from "./makeRequest";
+import { httpGetSimple } from "./makeRequest";
 
 /**
  * Asks the server to fetch the pipeline definition corresponding to the
@@ -13,7 +13,7 @@ export async function requestGenericIssuanceTicketPreviews(
   email: string,
   orderCode: string
 ): Promise<GenericIssuanceTicketPreviewResponse> {
-  return httpPostSimple(
+  return httpGetSimple(
     urlJoin(
       zupassServerUrl,
       `/generic-issuance/api/ticket-previews`,
@@ -24,8 +24,7 @@ export async function requestGenericIssuanceTicketPreviews(
       value: JSON.parse(resText) as TicketPreviewResultValue,
       success: true
     }),
-    {},
-    true
+    {}
   );
 }