diff --git a/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/junit4/JUnit4RunnerTest.java b/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/junit4/JUnit4RunnerTest.java
index b8bff63..1e5b824 100644
--- a/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/junit4/JUnit4RunnerTest.java
+++ b/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/junit4/JUnit4RunnerTest.java
@@ -16,6 +16,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 import static com.google.common.truth.Truth.assertWithMessage;
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyListOf;
@@ -490,7 +491,8 @@
 
     @Test
     public void testThatAlwaysFails() {
-      assertThat("Test \u65E5本.").isEqualTo("Test Japan.");
+      // Use JUnit asserts instead of Truth, since Truth's message format is subject to change.
+      assertEquals("Test Japan.", "Test \u65E5本.");
     }
   }
 
diff --git a/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/testbed/InternationalCharsTest.java b/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/testbed/InternationalCharsTest.java
index 7d3c1c8..030ee35 100644
--- a/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/testbed/InternationalCharsTest.java
+++ b/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/testbed/InternationalCharsTest.java
@@ -14,8 +14,6 @@
 
 package com.google.testing.junit.runner.testbed;
 
-import static com.google.common.truth.Truth.assertThat;
-
 import junit.framework.TestCase;
 
 /**
@@ -24,6 +22,7 @@
  */
 public class InternationalCharsTest extends TestCase {
   public void testThatAlwaysFails() {
-    assertThat("Test \u65E5本.").isEqualTo("Test Japan.");
+    // Use JUnit asserts instead of Truth, since Truth's message format is subject to change.
+    assertEquals("Test Japan.", "Test \u65E5本.");
   }
 }