diff --git a/pr_agent/algo/git_patch_processing.py b/pr_agent/algo/git_patch_processing.py
index 79366354..58d05235 100644
--- a/pr_agent/algo/git_patch_processing.py
+++ b/pr_agent/algo/git_patch_processing.py
@@ -45,11 +45,11 @@ def extend_patch(original_file_str, patch_str, num_lines) -> str:
                         if res[i] is None:
                             res[i] = 0
                     try:
-                        start1, size1, start2, size2 = map(int, match.groups()[:4])
+                        start1, size1, start2, size2 = map(int, res[:4])
                     except:  # '@@ -0,0 +1 @@' case
-                        start1, size1, size2 = map(int, match.groups()[:3])
+                        start1, size1, size2 = map(int, res[:3])
                         start2 = 0
-                    section_header = match.groups()[4]
+                    section_header = res[4]
                     extended_start1 = max(1, start1 - num_lines)
                     extended_size1 = size1 + (start1 - extended_start1) + num_lines
                     extended_start2 = max(1, start2 - num_lines)