diff --git a/src/dialogs/more-info/ha-more-info-dialog.ts b/src/dialogs/more-info/ha-more-info-dialog.ts
index ca01aac40c..e1e9df7dc0 100644
--- a/src/dialogs/more-info/ha-more-info-dialog.ts
+++ b/src/dialogs/more-info/ha-more-info-dialog.ts
@@ -315,7 +315,7 @@ export class MoreInfoDialog extends LitElement {
             cursor: default;
           }
 
-          :host([tab="info"][large]) {
+          :host([tab="info"][large]) ha-dialog {
             --mdc-dialog-min-width: 90vw;
             --mdc-dialog-max-width: 90vw;
           }