diff --git a/src/client/components/instance-stats.vue b/src/client/components/instance-stats.vue
index 1b9e75ad64..5146c90f2e 100644
--- a/src/client/components/instance-stats.vue
+++ b/src/client/components/instance-stats.vue
@@ -288,7 +288,7 @@ export default Vue.extend({
 						borderColor: x.color,
 						borderDash: x.borderDash || [],
 						backgroundColor: alpha(x.color, 0.1),
-						fill: !!x.fill,
+						fill: x.fill == null ? true : x.false,
 						hidden: !!x.hidden
 					}))
 				},