diff --git a/src/client/app/common/views/widgets/server.pie.vue b/src/client/app/common/views/widgets/server.pie.vue
index 532041ae74..d557c52ea5 100644
--- a/src/client/app/common/views/widgets/server.pie.vue
+++ b/src/client/app/common/views/widgets/server.pie.vue
@@ -5,7 +5,7 @@
 		cx="50%" cy="50%"
 		fill="none"
 		stroke-width="0.1"
-		stroke="rgba(#000, 0.05)"/>
+		stroke="rgba(0, 0, 0, 0.05)"/>
 	<circle
 		:r="r"
 		cx="50%" cy="50%"