diff --git a/compiler/rustc_type_ir/src/binder.rs b/compiler/rustc_type_ir/src/binder.rs
index a7b915c48455b..202d81df5aec3 100644
--- a/compiler/rustc_type_ir/src/binder.rs
+++ b/compiler/rustc_type_ir/src/binder.rs
@@ -357,7 +357,7 @@ impl<I: Interner> TypeVisitor<I> for ValidateBoundVars<I> {
 pub struct EarlyBinder<I: Interner, T> {
     value: T,
     #[derive_where(skip(Debug))]
-    _tcx: PhantomData<I>,
+    _tcx: PhantomData<fn() -> I>,
 }
 
 /// For early binders, you should first call `instantiate` before using any visitors.