diff --git a/ops/nixos/bvm-matrix/default.nix b/ops/nixos/bvm-matrix/default.nix
index e3cd91f8dc..4479ceb8d0 100644
--- a/ops/nixos/bvm-matrix/default.nix
+++ b/ops/nixos/bvm-matrix/default.nix
@@ -156,6 +156,8 @@ in {
     }];
     extraConfig = ''
       form_secret: "${machineSecrets.matrix.formSecret}"
+      experimental_features:
+        spaces_enabled: true
     '';
   };