diff --git a/spring-web/src/test/java/org/springframework/http/codec/json/Jackson2TokenizerTests.java b/spring-web/src/test/java/org/springframework/http/codec/json/Jackson2TokenizerTests.java
index aa92701eeb2..6f829a056ec 100644
--- a/spring-web/src/test/java/org/springframework/http/codec/json/Jackson2TokenizerTests.java
+++ b/spring-web/src/test/java/org/springframework/http/codec/json/Jackson2TokenizerTests.java
@@ -210,8 +210,8 @@ public class Jackson2TokenizerTests extends AbstractLeakCheckingTests {
 				.expectNext(expected)
 				.verifyComplete();
 
-		StepVerifier.create(decode(source, false, maxInMemorySize - 1))
-				.expectError(DataBufferLimitException.class);
+		StepVerifier.create(decode(source, false, maxInMemorySize - 2))
+				.verifyError(DataBufferLimitException.class);
 	}
 
 	@Test