diff --git a/modules/monitoring/public/css/tables.less b/modules/monitoring/public/css/tables.less
index 472158c33..fb1fc5396 100644
--- a/modules/monitoring/public/css/tables.less
+++ b/modules/monitoring/public/css/tables.less
@@ -80,7 +80,7 @@
   }
 
   &.state-unknown {
-    background-color: @color-warning;
+    background-color: @color-unknown;
     color: @text-color-inverted;
 
     &.handled {