diff --git a/src/memoized.rs b/src/memoized.rs
index 0674fe31..7dbbba79 100644
--- a/src/memoized.rs
+++ b/src/memoized.rs
@@ -128,11 +128,9 @@ where
         // first things first, let's walk over each of our previous
         // inputs and check whether they are out of date.
         if let Some(QueryState::Memoized(old_memo)) = &mut old_value {
-            if old_memo
-                .inputs
-                .iter()
-                .all(|old_input| !old_input.maybe_changed_since(query, old_memo.verified_at))
-            {
+            if old_memo.inputs.iter().all(|old_input| {
+                !old_input.maybe_changed_since(query, old_memo.stamped_value.changed_at)
+            }) {
                 debug!("{:?}({:?}): inputs still valid", Q::default(), key);
 
                 // If none of out inputs have changed since the last time we refreshed