diff --git a/pint_pandas/pint_array.py b/pint_pandas/pint_array.py
index c0b2247..21e8f9f 100644
--- a/pint_pandas/pint_array.py
+++ b/pint_pandas/pint_array.py
@@ -1133,7 +1133,7 @@ class DelegatedScalarMethod(DelegatedMethod):
 
 for attr in [
     "debug_used",
-    "default_format",
+    "formatter",
     "dimensionality",
     "dimensionless",
     "force_ndarray",
diff --git a/pint_pandas/testsuite/test_pandas_interface.py b/pint_pandas/testsuite/test_pandas_interface.py
index 5c8c657..7212631 100644
--- a/pint_pandas/testsuite/test_pandas_interface.py
+++ b/pint_pandas/testsuite/test_pandas_interface.py
@@ -222,6 +222,7 @@ class TestSeriesAccessors(object):
     @pytest.mark.parametrize(
         "attr",
         [
+            "formatter",
             "dimensionality",
             "dimensionless",
             "force_ndarray",