diff --git a/resources/assets/less/metager/result-page.less b/resources/assets/less/metager/result-page.less
index 40925a0f662ccbbcb746dbe7a3c4349ca3132e55..2d9bf666112b6166f80edc33adec0b541c4e229d 100644
--- a/resources/assets/less/metager/result-page.less
+++ b/resources/assets/less/metager/result-page.less
@@ -367,8 +367,8 @@ a {
     #research-bar-container {
         grid-area: searchbar;
         /**/
-        width: @results-width-max + @padding-small-default * 2;
-        max-width: @results-width-max + @padding-small-default * 2;
+        width: (@results-width-max + @padding-small-default * 2);
+        max-width: (@results-width-max + @padding-small-default * 2);
     }
     #research-bar-placeholder {
         grid-area: searchbar;