diff --git a/codeflash/languages/java/instrumentation.py b/codeflash/languages/java/instrumentation.py
index 6f2725b9b..4a87aad93 100644
--- a/codeflash/languages/java/instrumentation.py
+++ b/codeflash/languages/java/instrumentation.py
@@ -14,9 +14,9 @@
 
 from __future__ import annotations
 
-import bisect
 import logging
 import re
+from bisect import bisect_right as _bisect_right
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
@@ -235,7 +235,7 @@ def _collect_calls(node, wrapper_bytes, body_bytes, prefix_len, func_name, analy
 
 def _byte_to_line_index(byte_offset: int, line_byte_starts: list[int]) -> int:
     """Map a byte offset in body_text to a body_lines index."""
-    idx = bisect.bisect_right(line_byte_starts, byte_offset) - 1
+    idx = _bisect_right(line_byte_starts, byte_offset) - 1
     return max(0, idx)