diff --git a/hosts/containers/matemat/default.nix b/hosts/containers/matemat/default.nix
index 635bc755..4fd2df8a 100644
--- a/hosts/containers/matemat/default.nix
+++ b/hosts/containers/matemat/default.nix
@@ -8,6 +8,8 @@
     };
   };
 
+  microvm.mem = 1024;
+
   networking = {
     hostName = "matemat";
     firewall.allowedTCPPorts = [ 80 443 ];