diff --git a/scheds/rust/scx_rusty/src/load_balance.rs b/scheds/rust/scx_rusty/src/load_balance.rs
index 0d473d3..7f412bc 100644
--- a/scheds/rust/scx_rusty/src/load_balance.rs
+++ b/scheds/rust/scx_rusty/src/load_balance.rs
@@ -686,7 +686,9 @@ impl<'a, 'b> LoadBalancer<'a, 'b> {
         let mut pids = vec![];
 
         let (mut ridx, widx) = (active_pids.read_idx, active_pids.write_idx);
-        ridx = ridx.max(widx - MAX_PIDS);
+        if widx - ridx > MAX_PIDS {
+            ridx = widx - MAX_PIDS;
+        }
 
         for idx in ridx..widx {
             let pid = active_pids.pids[(idx % MAX_PIDS) as usize];