diff --git a/tools/patman/get_maintainer.py b/tools/patman/get_maintainer.py
index af4ba15..98ab82f 100644
--- a/tools/patman/get_maintainer.py
+++ b/tools/patman/get_maintainer.py
@@ -43,6 +43,6 @@
             print("WARNING: Couldn't find get_maintainer.pl")
         return []
 
-    stdout = command.Output(get_maintainer, '--norolestats', fname)
+    stdout = command.output(get_maintainer, '--norolestats', fname)
     lines = stdout.splitlines()
     return [ x.replace('"', '') for x in lines ]