diff --git a/lib/src/revset.rs b/lib/src/revset.rs
index 854c7bf94..ca39f2c1f 100644
--- a/lib/src/revset.rs
+++ b/lib/src/revset.rs
@@ -681,9 +681,9 @@ impl<'revset, 'repo> Iterator for FilterRevsetIterator<'revset, 'repo> {
     type Item = IndexEntry<'repo>;
 
     fn next(&mut self) -> Option<Self::Item> {
-        while let Some(next) = self.iter.next() {
-            if (self.predicate)(&next) {
-                return Some(next);
+        for entry in &mut self.iter {
+            if (self.predicate)(&entry) {
+                return Some(entry);
             }
         }
         None