diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 25124cba..22d78b13 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -25,6 +25,10 @@ apps:
       - system-files
       - home
 
+plugs:
+  system-files:
+    read: [ /etc/glances/glances.conf ]
+
 parts:
   glances:
     plugin: python