diff --git a/src/repr/board.rs b/src/repr/board.rs
index df65a2d..70693aa 100644
--- a/src/repr/board.rs
+++ b/src/repr/board.rs
@@ -356,8 +356,7 @@ impl Board {
                 for (idx, &(new_i, new_j)) in chain.into_iter().enumerate() {
                     let piece = self.get(new_i, new_j)?;
                     if piece == starting_color {
-                        // SAFETY! get_unchecked is fine here because it's an index of itself, it's fine
-                        return Some(unsafe { chain.get_unchecked(..idx) });
+                        return chain.get(..idx);
                     }
                 }
                 None