diff --git a/utils/getdeveloperlib.py b/utils/getdeveloperlib.py
index e7d0d23e49..469360b801 100644
--- a/utils/getdeveloperlib.py
+++ b/utils/getdeveloperlib.py
@@ -25,7 +25,7 @@ def analyze_patch(patch):
         m = FIND_INFRA_IN_PATCH.match(line)
         if m:
             infras.add(m.group(2))
-        if not line.startswith("+++ "):
+        if not line.startswith("+++ ") and not line.startswith("--- "):
             continue
         line.strip()
         fname = line[line.find("/") + 1:].strip()