diff --git a/theba.nix b/theba.nix
index f80a390..716c174 100644
--- a/theba.nix
+++ b/theba.nix
@@ -57,7 +57,10 @@
     unison
   ];
 
-  virtualisation.docker.enable = true;
+  virtualisation.docker = {
+    enable = true;
+    storageDriver = "overlay2";
+  };
   users.extraUsers.gebner.extraGroups = [ "docker" ];
 
   virtualisation.virtualbox.host.enable = true;