diff --git a/eval/eval/create_struct_step_test.cc b/eval/eval/create_struct_step_test.cc
index 6ecfd4bbb..91df67417 100644
--- a/eval/eval/create_struct_step_test.cc
+++ b/eval/eval/create_struct_step_test.cc
@@ -160,7 +160,7 @@ void RunExpressionAndGetMessage(
 
   ASSERT_EQ(msg->GetDescriptor()->full_name(),
             "google.api.expr.runtime.TestMessage");
-  test_msg->MergePartialFromCord(msg->SerializePartialAsCord());
+  test_msg->MergePartialFromString(msg->SerializePartialAsCord());
 }
 
 void RunExpressionAndGetMessage(
@@ -182,7 +182,7 @@ void RunExpressionAndGetMessage(
 
   ASSERT_EQ(msg->GetDescriptor()->full_name(),
             "google.api.expr.runtime.TestMessage");
-  test_msg->MergePartialFromCord(msg->SerializePartialAsCord());
+  test_msg->MergePartialFromString(msg->SerializePartialAsCord());
 }
 
 class CreateCreateStructStepTest