1 files changed, 1 insertions, 1 deletions
diff --git a/third_party/nix/src/nix-env/nix-env.cc b/third_party/nix/src/nix-env/nix-env.cc
index 07bcb54eb6..820b8cbcaf 100644
--- a/third_party/nix/src/nix-env/nix-env.cc
+++ b/third_party/nix/src/nix-env/nix-env.cc
@@ -48,7 +48,7 @@ struct InstallSourceInfo {
   Bindings* autoArgs;
 };
 
-struct Globals {
+struct Globals : public gc {
   InstallSourceInfo instSource;
   Path profile;
   std::shared_ptr<EvalState> state;