diff --git a/pytest_catchlog/fixture.py b/pytest_catchlog/fixture.py
index c33a3b5..8984944 100644
--- a/pytest_catchlog/fixture.py
+++ b/pytest_catchlog/fixture.py
@@ -18,6 +18,9 @@ def __init__(self):
         self.records = []
 
     def emit(self, record):  # Called with the lock acquired.
+        if not hasattr(record, 'message'):
+            record.message = record.getMessage()
+            record.getMessage = lambda: record.message
         self.records.append(record)
 
 
diff --git a/tests/test_fixture.py b/tests/test_fixture.py
index 06829a2..146bee3 100644
--- a/tests/test_fixture.py
+++ b/tests/test_fixture.py
@@ -65,3 +65,21 @@ def test_unicode(caplog):
     assert caplog.records[0].levelname == 'INFO'
     assert caplog.records[0].msg == u('bū')
     assert u('bū') in caplog.text
+
+
+def test_record_message_text(caplog):
+    mutable = {}
+    logger.info("Mutable dict %r empty", mutable)
+    mutable['foo'] = 'bar'
+    logger.info("Mutable dict %r bar", mutable)
+    mutable['foo'] = 'baz'
+    logger.info("Mutable dict %r baz", mutable)
+
+    assert caplog.record_tuples == [
+        (__name__, logging.INFO, "Mutable dict {} empty"),
+        (__name__, logging.INFO, "Mutable dict {'foo': 'bar'} bar"),
+        (__name__, logging.INFO, "Mutable dict {'foo': 'baz'} baz"),
+    ]
+    assert caplog.text == ("INFO:test_fixture:Mutable dict {} empty\n"
+                           "INFO:test_fixture:Mutable dict {'foo': 'bar'} bar\n"
+                           "INFO:test_fixture:Mutable dict {'foo': 'baz'} baz\n")