diff --git a/src/components/webcams/WebrtcMediaMTX.vue b/src/components/webcams/WebrtcMediaMTX.vue
index fc64f78fa..1fa753ea6 100644
--- a/src/components/webcams/WebrtcMediaMTX.vue
+++ b/src/components/webcams/WebrtcMediaMTX.vue
@@ -237,7 +237,7 @@ export default class WebrtcMediaMTX extends Mixins(BaseMixin, WebcamMixin) {
         })
             .then((res) => {
                 if (res.status !== 201) throw new Error('bad status code')
-                this.eTag = res.headers.get('E-Tag')
+                this.eTag = res.headers.get('ETag')
                 return res.text()
             })
             .then((sdp) => {