diff --git a/nixos/modules/services/monitoring/munin.nix b/nixos/modules/services/monitoring/munin.nix
index b26bcba64059..723b04dc0fe9 100644
--- a/nixos/modules/services/monitoring/munin.nix
+++ b/nixos/modules/services/monitoring/munin.nix
@@ -26,7 +26,9 @@ let
 
       for file in $out/*; do
         case "$file" in
-            plugin.sh) continue;;
+            */plugin.sh|*/plugins.history)
+              chmod +x "$file"
+              continue;;
         esac
 
         # read magic makers from the file