diff --git a/modules/common.nix b/modules/common.nix
index d2f6e25..9fe02e4 100644
--- a/modules/common.nix
+++ b/modules/common.nix
@@ -54,6 +54,8 @@
   # Allow proprietary software if needed
   nixpkgs.config = {
     allowUnfree = true;
+    # Permit evaluation of packages marked broken (zen-browser currently sets broken = true)
+    allowBroken = true;
   };
 
   # Set the minimal stateVersion. When you upgrade, bump per host.