diff --git a/public/app/plugins/panel/graph/module.ts b/public/app/plugins/panel/graph/module.ts
index c4b1bd89044..e546a33c30b 100644
--- a/public/app/plugins/panel/graph/module.ts
+++ b/public/app/plugins/panel/graph/module.ts
@@ -66,7 +66,7 @@ class GraphCtrl extends MetricsPanelCtrl {
     // fill factor
     fill          : 1,
     // line width in pixels
-    linewidth     : 2,
+    linewidth     : 1,
     // show hide points
     points        : false,
     // point radius in pixels