diff --git a/dhcp_config_unittest.cc b/dhcp_config_unittest.cc
index d7ffbf5..9ca6592 100644
--- a/dhcp_config_unittest.cc
+++ b/dhcp_config_unittest.cc
@@ -343,7 +343,7 @@
                                            flimflam::kAddressProperty,
                                            PropertyStoreTest::kStringV,
                                            &error));
-  EXPECT_EQ(invalid_args_, error.name());
+  EXPECT_EQ(invalid_args(), error.name());
 }
 
 }  // namespace shill