diff --git a/src/structlog/formatters.py b/src/structlog/formatters.py
index 2dc01f59..3841963c 100644
--- a/src/structlog/formatters.py
+++ b/src/structlog/formatters.py
@@ -21,7 +21,7 @@ class ProcessorFormatter(logging.Formatter):
 
     def __init__(self, processor, fmt=None, datefmt=None, style='%'):
         """Keep reference to the ``processor``."""
-        super().__init__(fmt=fmt, datefmt=datefmt, style=style)
+        super(ProcessorFormatter, self).__init__(fmt=fmt, datefmt=datefmt, style=style)
         self.processor = processor
 
     def format(self, record):
diff --git a/tests/test_formatters.py b/tests/test_formatters.py
index c4773f87..4442bd81 100644
--- a/tests/test_formatters.py
+++ b/tests/test_formatters.py
@@ -27,12 +27,12 @@ def test_format__dict(self):
                                    extra={'_name': 'debug',
                                           '_logger': logger})
         expected_repr = 'Record representation'
-        ppr = processor_factory(expected_repr)
-        processor_formatter = ProcessorFormatter(ppr)
+        processor = processor_factory(expected_repr)
+        processor_formatter = ProcessorFormatter(processor)
 
         actual_repr = processor_formatter.format(record)
 
-        assert ppr.args == [record._logger, record._name, record.msg.copy()]
+        assert processor.args == [record._logger, record._name, record.msg.copy()]
         assert expected_repr == actual_repr
 
     def test_format__not_dict(self):
@@ -47,8 +47,8 @@ def test_format__not_dict(self):
                                    extra={'_name': 'debug',
                                           '_logger': logger})
         expected_repr = record.getMessage()
-        ppr = processor_factory(expected_repr)
-        processor_formatter = ProcessorFormatter(ppr)
+        processor = processor_factory(expected_repr)
+        processor_formatter = ProcessorFormatter(processor)
 
         actual_repr = processor_formatter.format(record)