diff --git a/frontend/src/style/_custom_angular.scss b/frontend/src/style/_custom_angular.scss
index 447648e951..29ac6cbb80 100644
--- a/frontend/src/style/_custom_angular.scss
+++ b/frontend/src/style/_custom_angular.scss
@@ -20,5 +20,7 @@ $pz-theme: mat.m2-define-light-theme(
 
 .header-form-field {
   @include mat.form-field-density(-4);
-  border-radius: 5px;
+  & {
+    border-radius: 5px;
+  }
 }