diff --git a/core/src/test/java/org/springframework/security/authentication/DefaultAuthenticationEventPublisherTests.java b/core/src/test/java/org/springframework/security/authentication/DefaultAuthenticationEventPublisherTests.java
index 9c0c14993e..a62ba0acef 100644
--- a/core/src/test/java/org/springframework/security/authentication/DefaultAuthenticationEventPublisherTests.java
+++ b/core/src/test/java/org/springframework/security/authentication/DefaultAuthenticationEventPublisherTests.java
@@ -170,7 +170,7 @@ public class DefaultAuthenticationEventPublisherTests {
 		publisher = new DefaultAuthenticationEventPublisher();
 		Map<Class<? extends AuthenticationException>,
 				Class<? extends AbstractAuthenticationFailureEvent>> mappings = new HashMap<>();
-		mappings.put(MockAuthenticationException.class,AuthenticationFailureDisabledEvent.class);
+		mappings.put(MockAuthenticationException.class, AuthenticationFailureDisabledEvent.class);
 		publisher.setAdditionalExceptionMappings(mappings);
 		ApplicationEventPublisher appPublisher = mock(ApplicationEventPublisher.class);