diff --git a/Moose-t-failing/050_metaclasses/050_metarole_backcompat.t b/Moose-t-failing/050_metaclasses/050_metarole_backcompat.t
index c3ce4cfe..b5bacdf7 100644
--- a/Moose-t-failing/050_metaclasses/050_metarole_backcompat.t
+++ b/Moose-t-failing/050_metaclasses/050_metarole_backcompat.t
@@ -223,8 +223,8 @@ use Mouse::Util::MetaRole;
 
 {
     Mouse::Util::MetaRole::apply_base_class_roles(
-        for_class => 'My::Class',
-        roles     => ['Role::Foo'],
+        for   => 'My::Class',
+        roles => ['Role::Foo'],
     );
 
     ok( My::Class->meta()->does_role('Role::Foo'),
diff --git a/lib/Mouse/Util/MetaRole.pm b/lib/Mouse/Util/MetaRole.pm
index 3712f543..113ba317 100644
--- a/lib/Mouse/Util/MetaRole.pm
+++ b/lib/Mouse/Util/MetaRole.pm
@@ -104,11 +104,12 @@ sub _fixup_old_style_args {
     return;
 }
 
-
 sub apply_base_class_roles {
     my %options = @_;
 
-    my $for = $options{for_class};
+    _fixup_old_style_args(\%options);
+
+    my $for = $options{for};
 
     my $meta = Mouse::Util::class_of($for);