1 files changed, 1 insertions, 1 deletions
diff --git a/third_party/nix/src/libexpr/value.hh b/third_party/nix/src/libexpr/value.hh
index 980d9affbb..82021c77c4 100644
--- a/third_party/nix/src/libexpr/value.hh
+++ b/third_party/nix/src/libexpr/value.hh
@@ -100,7 +100,7 @@ struct Value {
     NixThunk thunk;
     NixApp app;  // TODO(tazjin): "app"?
     NixLambda lambda;
-    PrimOp* primOp;
+    std::shared_ptr<PrimOp> primOp;
     NixPrimOpApp primOpApp;
     NixFloat fpoint;
   };