diff --git a/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/json/JsonTestersAutoConfiguration.java b/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/json/JsonTestersAutoConfiguration.java
index 5391470b63..9035bb7eb9 100644
--- a/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/json/JsonTestersAutoConfiguration.java
+++ b/spring-boot-test-autoconfigure/src/main/java/org/springframework/boot/test/autoconfigure/json/JsonTestersAutoConfiguration.java
@@ -77,7 +77,7 @@ public class JsonTestersAutoConfiguration {
 
 	@Bean
 	@Scope("prototype")
-	@ConditionalOnClass(ObjectMapper.class)
+	@ConditionalOnClass(Gson.class)
 	@ConditionalOnBean(Gson.class)
 	public FactoryBean<GsonTester<?>> gsonTesterFactoryBean(Gson gson) {
 		return new JsonTesterFactoryBean<GsonTester<?>, Gson>(GsonTester.class, gson);