diff --git a/serde_v8/src/de.rs b/serde_v8/src/de.rs
index 0816514a67..4de2f58170 100644
--- a/serde_v8/src/de.rs
+++ b/serde_v8/src/de.rs
@@ -534,6 +534,10 @@ impl<'de> de::SeqAccess<'de> for SeqAccess<'_, '_, '_> {
       Ok(None)
     }
   }
+
+  fn size_hint(&self) -> Option<usize> {
+    Some((self.len - self.pos) as usize)
+  }
 }
 
 struct EnumAccess<'a, 'b, 's> {