diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jackson/JsonMixinModuleEntriesBeanRegistrationAotProcessor.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jackson/JsonMixinModuleEntriesBeanRegistrationAotProcessor.java
index 6fa0d2e499..090999126f 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jackson/JsonMixinModuleEntriesBeanRegistrationAotProcessor.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jackson/JsonMixinModuleEntriesBeanRegistrationAotProcessor.java
@@ -98,7 +98,7 @@ class JsonMixinModuleEntriesBeanRegistrationAotProcessor implements BeanRegistra
 
 		private void contributeHints(RuntimeHints runtimeHints, JsonMixinModuleEntries entries) {
 			Set<Class<?>> mixins = new LinkedHashSet<>();
-			entries.doWithEntry(this.classLoader, (type, mixin) -> mixins.add(type));
+			entries.doWithEntry(this.classLoader, (type, mixin) -> mixins.add(mixin));
 			new BindingReflectionHintsRegistrar().registerReflectionHints(runtimeHints.reflection(),
 					mixins.toArray(Class<?>[]::new));
 		}
diff --git a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jackson/JsonMixinModuleEntriesBeanRegistrationAotProcessorTests.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jackson/JsonMixinModuleEntriesBeanRegistrationAotProcessorTests.java
index 7188944221..b6f0a4eff6 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jackson/JsonMixinModuleEntriesBeanRegistrationAotProcessorTests.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jackson/JsonMixinModuleEntriesBeanRegistrationAotProcessorTests.java
@@ -24,6 +24,7 @@ import java.util.function.BiConsumer;
 import org.assertj.core.api.InstanceOfAssertFactories;
 import org.junit.jupiter.api.Test;
 
+import org.springframework.aot.hint.MemberCategory;
 import org.springframework.aot.hint.RuntimeHints;
 import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
 import org.springframework.aot.test.generate.TestGenerationContext;
@@ -62,8 +63,11 @@ class JsonMixinModuleEntriesBeanRegistrationAotProcessorTests {
 		registerEntries(RenameMixInClass.class);
 		processAheadOfTime();
 		RuntimeHints runtimeHints = this.generationContext.getRuntimeHints();
-		assertThat(RuntimeHintsPredicates.reflection().onMethod(Name.class, "getName")).accepts(runtimeHints);
-		assertThat(RuntimeHintsPredicates.reflection().onMethod(NameAndAge.class, "getAge")).accepts(runtimeHints);
+		assertThat(RuntimeHintsPredicates.reflection().onType(RenameMixInClass.class)
+				.withMemberCategories(MemberCategory.DECLARED_FIELDS, MemberCategory.INVOKE_DECLARED_CONSTRUCTORS))
+						.accepts(runtimeHints);
+		assertThat(RuntimeHintsPredicates.reflection().onMethod(RenameMixInClass.class, "getName").introspect())
+				.accepts(runtimeHints);
 	}
 
 	@Test
diff --git a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jackson/scan/a/RenameMixInClass.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jackson/scan/a/RenameMixInClass.java
index 15d401f598..a303f007b3 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jackson/scan/a/RenameMixInClass.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jackson/scan/a/RenameMixInClass.java
@@ -23,11 +23,9 @@ import org.springframework.boot.jackson.Name;
 import org.springframework.boot.jackson.NameAndAge;
 
 @JsonMixin(type = { Name.class, NameAndAge.class })
-public class RenameMixInClass {
+public abstract class RenameMixInClass {
 
 	@JsonProperty("username")
-	String getName() {
-		return null;
-	}
+	public abstract String getName();
 
 }