diff --git a/src/PdfCreator.ts b/src/PdfCreator.ts
index 67ae4f8..81f1463 100644
--- a/src/PdfCreator.ts
+++ b/src/PdfCreator.ts
@@ -9,6 +9,7 @@ import path from 'path';
 import { PDFDocument } from 'pdf-lib';
 import puppeteer from "puppeteer";
 import { awaitAsyncHandlebarHelpers, helpers } from './asyncHelpers';
+import { config } from './config';
 import { Runner } from './models/Runner';
 import { RunnerGroup } from './models/RunnerGroup';
 
@@ -93,7 +94,7 @@ export class PdfCreator {
      * @param runner The runner you want to generate the contracts for.
      * @param locale The locale used for the contracts (default:en)
      */
-    public async generateSponsoringContract(runners: Runner[], locale: string = "en"): Promise<Buffer> {
+    public async generateSponsoringContract(runners: Runner[], locale: string = "en", codeformat: string = config.codeformat): Promise<Buffer> {
         if (runners.length == 1 && Object.keys(runners[0]).length == 0) {
             runners[0] = this.generateEmptyRunner();
         }
@@ -110,7 +111,7 @@ export class PdfCreator {
         await i18next.changeLanguage(locale);
         const template_source = fs.readFileSync(`${this.templateDir}/sponsoring_contract.html`, 'utf8');
         const template = Handlebars.compile(template_source);
-        let result = template({ runners });
+        let result = template({ runners, codeformat });
         result = await awaitAsyncHandlebarHelpers(result);
         const pdf = await this.renderPdf(result, { format: "A5", landscape: true });
         return pdf
diff --git a/src/config.ts b/src/config.ts
index 3b95934..00e6d6d 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -4,7 +4,8 @@ configDotenv();
 export const config = {
     internal_port: parseInt(process.env.APP_PORT) || 4010,
     development: process.env.NODE_ENV === "production",
-    version: process.env.VERSION || require('../package.json').version
+    version: process.env.VERSION || require('../package.json').version,
+    codeformat: process.env.CODEFORMAT || "qrcode"
 }
 let errors = 0
 if (typeof config.internal_port !== "number") {
diff --git a/src/controllers/PdfController.ts b/src/controllers/PdfController.ts
index affc7a4..2518692 100644
--- a/src/controllers/PdfController.ts
+++ b/src/controllers/PdfController.ts
@@ -15,7 +15,7 @@ export class PdfController {
 
     @Post('/contracts')
     @OpenAPI({ description: "Generate Sponsoring contract pdfs from runner objects.<br>You can choose your prefered locale by passing the 'locale' query-param.<br> If you provide more than 100 runenrs this could take a moment or two (we tested up to 1000 runners in about 70sec so far)." })
-    async generateContracts(@Body({ validate: true, options: { limit: "500mb" } }) runners: Runner | Runner[], @Res() res: any, @QueryParam("locale") locale: string) {
+    async generateContracts(@Body({ validate: true, options: { limit: "500mb" } }) runners: Runner | Runner[], @Res() res: any, @QueryParam("locale") locale: string, @QueryParam("codeformat") codeformat: string) {
         if (!this.initialized) {
             await this.pdf.init();
             this.initialized = true;
@@ -23,7 +23,7 @@ export class PdfController {
         if (!Array.isArray(runners)) {
             runners = [runners];
         }
-        const contracts = await this.pdf.generateSponsoringContract(runners, locale);
+        const contracts = await this.pdf.generateSponsoringContract(runners, locale, codeformat);
         res.setHeader('content-type', 'application/pdf');
         return contracts;
     }
diff --git a/src/templates/sponsoring_contract.html b/src/templates/sponsoring_contract.html
index c22eb5e..b75d7f2 100644
--- a/src/templates/sponsoring_contract.html
+++ b/src/templates/sponsoring_contract.html
@@ -55,7 +55,7 @@
         </div>
         <div class="column">
           <img style="vertical-align: revert; margin-top: auto; object-fit: cover; max-height: 2cm;"
-            src="{{--bc this.id 'ean13'}}" />
+            src="{{--bc this.id ../codeformat}}" />
         </div>
       </div>
       <div class="columns" style="padding-top: 1rem;">