diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index 4ee0e064c10..680eeff7955 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -79,6 +79,8 @@ let
       virtualisation.pathsInNixDB = channelContents ++ [ pkgs.hello.src ];
       virtualisation.memorySize = 768;
 
+      swapDevices = mkOverride 0 [ ];
+
       networking.firewall.allowedTCPPorts = [ 80 ];
     };