diff --git a/scripts/blame.py b/scripts/blame.py
index 1cb63b4e7..d216f7f9b 100755
--- a/scripts/blame.py
+++ b/scripts/blame.py
@@ -203,9 +203,9 @@ def main():
 def get_counts_for_file(start_tag, end_tag, authors, fname):
     try:
         if end_tag:
-            text = run(["git", "blame", f"{start_tag}..{end_tag}", "--", fname])
+            text = run(["git", "blame", "-M", "-C", "-C", "--abbrev=9", f"{start_tag}..{end_tag}", "--", fname])
         else:
-            text = run(["git", "blame", f"{start_tag}..HEAD", "--", fname])
+            text = run(["git", "blame", "-M", "-C", "-C", "--abbrev=9", f"{start_tag}..HEAD", "--", fname])
         if not text:
             return None
         text = text.splitlines()