diff --git a/test/sysv-generator-test.py b/test/sysv-generator-test.py
index 1fe4153abc4..24fafbaaa49 100755
--- a/test/sysv-generator-test.py
+++ b/test/sysv-generator-test.py
@@ -82,7 +82,7 @@ def run_generator(self, expect_error=False):
                 cp = RawConfigParser(dict_type=MultiDict)
             cp.optionxform = lambda o: o  # don't lower-case option names
             with open(service) as f:
-                cp.readfp(f)
+                cp.read_file(f)
             results[os.path.basename(service)] = cp
 
         return (err, results)