diff --git a/_pytest/mark.py b/_pytest/mark.py
index 3f1f01b1a..f2d31761a 100644
--- a/_pytest/mark.py
+++ b/_pytest/mark.py
@@ -70,7 +70,7 @@ class ParameterSet(namedtuple('ParameterSet', 'values, marks, id')):
         return cls(argval, marks=newmarks, id=None)
 
     @classmethod
-    def _for_parameterize(cls, argnames, argvalues, function):
+    def _for_parametrize(cls, argnames, argvalues, function, config):
         if not isinstance(argnames, (tuple, list)):
             argnames = [x.strip() for x in argnames.split(",") if x.strip()]
             force_tuple = len(argnames) == 1
diff --git a/_pytest/python.py b/_pytest/python.py
index 3940028fa..a4c233076 100644
--- a/_pytest/python.py
+++ b/_pytest/python.py
@@ -785,8 +785,8 @@ class Metafunc(fixtures.FuncargnamesCompatAttr):
         from _pytest.fixtures import scope2index
         from _pytest.mark import ParameterSet
         from py.io import saferepr
-        argnames, parameters = ParameterSet._for_parameterize(
-            argnames, argvalues, self.function)
+        argnames, parameters = ParameterSet._for_parametrize(
+            argnames, argvalues, self.function, self.config)
         del argvalues
 
         if scope is None:
diff --git a/changelog/3166.trivial b/changelog/3166.trivial
new file mode 100644
index 000000000..0f6ca240e
--- /dev/null
+++ b/changelog/3166.trivial
@@ -0,0 +1 @@
+Change the naming of ``_for_parameterize()`` to ``_for_parametrize()`` in order to comply with the naming convention.
\ No newline at end of file