diff --git a/google-cloud-spanner/src/test/java/com/google/cloud/spanner/DatabaseAdminClientImplTest.java b/google-cloud-spanner/src/test/java/com/google/cloud/spanner/DatabaseAdminClientImplTest.java
index fa8f5711e884..033cf0ba7559 100644
--- a/google-cloud-spanner/src/test/java/com/google/cloud/spanner/DatabaseAdminClientImplTest.java
+++ b/google-cloud-spanner/src/test/java/com/google/cloud/spanner/DatabaseAdminClientImplTest.java
@@ -107,7 +107,7 @@ public void updateDatabaseDdl() {
             com.google.longrunning.Operation.newBuilder().setDone(true).setName(opName).build());
     Operation<Void, UpdateDatabaseDdlMetadata> op =
         client.updateDatabaseDdl(INSTANCE_ID, DB_ID, ddl, opId);
-    assertThat(op.isDone());
+    assertThat(op.isDone()).isTrue();
     assertThat(op.getName()).isEqualTo(opName);
   }