1 files changed, 1 insertions, 0 deletions
diff --git a/common.nix b/common.nix
index 4d69f654..9d0d1cbc 100644
--- a/common.nix
+++ b/common.nix
@@ -9,6 +9,7 @@
     readOnlyStore = true;
     extraOptions = ''
       build-cores = 0
+      auto-optimise-store = true
     '';
   };