diff --git a/css/css-grid/grid-model/grid-areas-overflowing-grid-container-009.html b/css/css-grid/grid-model/grid-areas-overflowing-grid-container-009.html
index d1ab96e4c770c6..367820eaeae700 100644
--- a/css/css-grid/grid-model/grid-areas-overflowing-grid-container-009.html
+++ b/css/css-grid/grid-model/grid-areas-overflowing-grid-container-009.html
@@ -10,7 +10,7 @@
 <link href="/css/support/grid.css" rel="stylesheet">
 <style>
     .grid {
-       grid: 120px / 120px;
+       grid: 150px / 150px;
        width: 100px;
        height: 100px;
        overflow: auto;