diff --git a/hardware/hosts/mediaserver.nix b/hardware/hosts/mediaserver.nix
index 3aba1cd..b0ae358 100644
--- a/hardware/hosts/mediaserver.nix
+++ b/hardware/hosts/mediaserver.nix
@@ -10,7 +10,7 @@
     };
 
     initrd = {
-      availableKernelModules = [ "ata_piix" "xhci_pci" "ahci" "sd_mod" "sr_mod" ];
+      availableKernelModules = [ "ata_piix" "xhci_pci" "ahci" "sd_mod" "sr_mod" "virtio_balloon" ];
       kernelModules = [ "tls" ];
     };