diff --git a/diplomas/src/components/Diploma.jsx b/diplomas/src/components/Diploma.jsx
index 74c3e66..7e14251 100644
--- a/diplomas/src/components/Diploma.jsx
+++ b/diplomas/src/components/Diploma.jsx
@@ -85,7 +85,7 @@ export default function Diploma({ alumno, formacion, fecha, qr }) {
         </Text>
         {qr && <Image src={qr} style={styles.qr} />}
         <Text style={styles.footer}>
-          Verifica este diploma en: https://localhost:3000/alumno/{alumno?.id}
+          Verifica este diploma en: http://localhost:3000/alumno/{alumno?.id}
         </Text>
       </Page>
     </Document>
diff --git a/diplomas/src/components/dialogs/vistaPreviaDiplomaDialog.jsx b/diplomas/src/components/dialogs/vistaPreviaDiplomaDialog.jsx
index 7a5ed79..25aa7cc 100644
--- a/diplomas/src/components/dialogs/vistaPreviaDiplomaDialog.jsx
+++ b/diplomas/src/components/dialogs/vistaPreviaDiplomaDialog.jsx
@@ -48,7 +48,7 @@ function VistaPreviaDiplomaDialog({
 
   useEffect(() => {
     if (alumno?.id) {
-      const url = `https://localhost:3000/alumno/${alumno.id}`;
+      const url = `http://localhost:3000/alumno/${alumno.id}`;
       QRCode.toDataURL(url, { width: 200 }, (err, url) => {
         if (!err) setQrDataUrl(url);
       });