diff --git a/m/owl1/configuration.nix b/m/owl1/configuration.nix
index 7fc4a8f..20e3cf5 100644
--- a/m/owl1/configuration.nix
+++ b/m/owl1/configuration.nix
@@ -8,6 +8,7 @@
     ../module/slurm-client.nix
     ../module/slurm-firewall.nix
     ../module/debuginfod.nix
+    ../module/hut-substituter.nix
   ];
 
   # Select the this using the ID to avoid mismatches
diff --git a/m/owl2/configuration.nix b/m/owl2/configuration.nix
index 3ea9413..54849f6 100644
--- a/m/owl2/configuration.nix
+++ b/m/owl2/configuration.nix
@@ -8,6 +8,7 @@
     ../module/slurm-client.nix
     ../module/slurm-firewall.nix
     ../module/debuginfod.nix
+    ../module/hut-substituter.nix
   ];
 
   # Select the this using the ID to avoid mismatches
diff --git a/m/raccoon/configuration.nix b/m/raccoon/configuration.nix
index be9b10c..b67e90d 100644
--- a/m/raccoon/configuration.nix
+++ b/m/raccoon/configuration.nix
@@ -3,6 +3,7 @@
 {
   imports = [
     ../common/base.nix
+    ../module/hut-substituter.nix
   ];
 
   # Don't install Grub on the disk yet