diff --git a/modules/vm.nix b/modules/vm.nix
index f46bf8a..0d89612 100644
--- a/modules/vm.nix
+++ b/modules/vm.nix
@@ -17,6 +17,7 @@
             host = inputs.self.nixosConfigurations.flock.config;
           in
           ''
+            export QEMU_OPTS="-m 8192"
             ${host.system.build.vm}/bin/run-${host.networking.hostName}-vm "$@"
           '';
       };