diff --git a/nixos/tests/neo4j.nix b/nixos/tests/neo4j.nix
index 936d23ee1b7..ca60f6cd893 100644
--- a/nixos/tests/neo4j.nix
+++ b/nixos/tests/neo4j.nix
@@ -2,10 +2,13 @@ import ./make-test-python.nix {
   name = "neo4j";
 
   nodes = {
-    master =
+    server =
       { ... }:
 
       {
+	# virtualisation.memorySize = 4096;
+	virtualisation.diskSize = 1024;
+
         services.neo4j.enable = true;
         # require tls certs to be available
         services.neo4j.https.enable = false;
@@ -16,8 +19,8 @@ import ./make-test-python.nix {
   testScript = ''
     start_all()
 
-    master.wait_for_unit("neo4j")
-    master.wait_for_open_port(7474)
-    master.succeed("curl -f http://localhost:7474/")
+    server.wait_for_unit("neo4j")
+    server.wait_for_open_port(7474)
+    server.succeed("curl -f http://localhost:7474/")
   '';
 }