diff --git a/experiments/2024-12-09/src/ui.rs b/experiments/2024-12-09/src/ui.rs
index 8a2fededc..9c42a7a07 100644
--- a/experiments/2024-12-09/src/ui.rs
+++ b/experiments/2024-12-09/src/ui.rs
@@ -28,7 +28,7 @@ impl OperationView {
     }
 
     pub fn select_next(&mut self) {
-        if self.selected < self.operations().len() {
+        if self.selected + 1 < self.operations().len() {
             self.selected += 1;
         }
     }