diff --git a/modules/monitoring/public/css/plugin-output.less b/modules/monitoring/public/css/plugin-output.less
index 7ec883363..346548aa8 100644
--- a/modules/monitoring/public/css/plugin-output.less
+++ b/modules/monitoring/public/css/plugin-output.less
@@ -6,5 +6,6 @@ p.plugin-output {
 }
 
 pre.plugin-output {
+  .text-small();
   white-space: pre-wrap;
 }