diff --git a/node-mixin/rules/rules.libsonnet b/node-mixin/rules/rules.libsonnet
index a9517119..c3f74ba7 100644
--- a/node-mixin/rules/rules.libsonnet
+++ b/node-mixin/rules/rules.libsonnet
@@ -2,7 +2,7 @@
   prometheusRules+:: {
     groups+: [
       {
-        name: 'node-exporter',
+        name: 'node-exporter.rules',
         rules: [
           {
             // This rule gives the number of CPUs per node.