diff --git a/src/iterators.rs b/src/iterators.rs
index 86e894ff5..7217c9b63 100644
--- a/src/iterators.rs
+++ b/src/iterators.rs
@@ -411,8 +411,8 @@ trait PyGCProtocol {
 
 #[derive(FromPyObject)]
 enum SliceOrInt<'a> {
-    Slice(&'a PySlice),
     Int(isize),
+    Slice(&'a PySlice),
 }
 
 trait PyConvertToPyArray {