diff --git a/packages/core/src/view/overlay/Grid.tsx b/packages/core/src/view/overlay/Grid.tsx
index 80161cafc..1c6e3090b 100644
--- a/packages/core/src/view/overlay/Grid.tsx
+++ b/packages/core/src/view/overlay/Grid.tsx
@@ -53,7 +53,7 @@ export class Grid extends Component<IProps> {
       <path
         d={d}
         stroke={color}
-        strokeWidth={strokeWidth}
+        strokeWidth={strokeWidth / 2}
         opacity={opacity}
         fill="transparent"
       />