diff --git a/components/salsa-2022-macros/src/tracked_fn.rs b/components/salsa-2022-macros/src/tracked_fn.rs
index 4d57ea87..f4bbcc36 100644
--- a/components/salsa-2022-macros/src/tracked_fn.rs
+++ b/components/salsa-2022-macros/src/tracked_fn.rs
@@ -178,6 +178,8 @@ impl crate::options::AllowedOptions for TrackedImpl {
     const LRU: bool = false;
 
     const CONSTRUCTOR_NAME: bool = false;
+
+    const SINGLETON: bool = false;
 }
 
 fn tracked_method(