diff --git a/scripts/dev/run_vulture.py b/scripts/dev/run_vulture.py
index ae5ca76fa..41925be25 100755
--- a/scripts/dev/run_vulture.py
+++ b/scripts/dev/run_vulture.py
@@ -127,7 +127,8 @@ def report(items):
     properties which get used for the items.
     """
     output = []
-    for item in sorted(items, key=lambda e: (e.filename.lower(), e.lineno)):
+    for item in sorted(items,
+                       key=lambda e: (e.filename.lower(), e.first_lineno)):
         relpath = os.path.relpath(item.filename)
         path = relpath if not relpath.startswith('..') else item.filename
         output.append("{}:{}: Unused {} '{}'".format(path, item.lineno,