diff --git a/clusters/pi3B_rack.nix b/clusters/pi3B_rack.nix
index 2afc153..964e2c6 100644
--- a/clusters/pi3B_rack.nix
+++ b/clusters/pi3B_rack.nix
@@ -8,6 +8,7 @@
       ../hardware/raspberry_pi_3_model_B.nix
       ../roles/host_common.nix
       ../roles/pi_common.nix
+      ../roles/server_common.nix
     ];
 
   # Ensure the right package architecture is used