diff --git a/lib/stdlib-extended.nix b/lib/stdlib-extended.nix
index 0455983e..50fa80b6 100644
--- a/lib/stdlib-extended.nix
+++ b/lib/stdlib-extended.nix
@@ -55,6 +55,9 @@ in
     mkSetBinding = binding: action:
       mkBinding binding.value action binding.description;
 
+    mkSetExprBinding = binding: action:
+      mkExprBinding binding.value action binding.description;
+
     mkSetLuaBinding = binding: action:
       mkLuaBinding binding.value action binding.description;