diff --git a/supervision/detection/utils.py b/supervision/detection/utils.py
index 762f06c7..25a2a37c 100644
--- a/supervision/detection/utils.py
+++ b/supervision/detection/utils.py
@@ -849,7 +849,7 @@ def get_data_item(
                 subset_data[key] = [value[i] for i in index]
             elif isinstance(index, np.ndarray):
                 if index.dtype == bool:
-                    subset_data[key] = [value[i] for i in range(len(index)) if index[i]]
+                    subset_data[key] = [value[i] for i, index_value in enumerate(index) if index_value]
                 else:
                     subset_data[key] = [value[i] for i in index]
             elif isinstance(index, int):