diff --git a/core/src/main/java/org/springframework/security/scheduling/DelegatingSecurityContextTaskScheduler.java b/core/src/main/java/org/springframework/security/scheduling/DelegatingSecurityContextTaskScheduler.java
index fbc64a7377..bd14f61788 100644
--- a/core/src/main/java/org/springframework/security/scheduling/DelegatingSecurityContextTaskScheduler.java
+++ b/core/src/main/java/org/springframework/security/scheduling/DelegatingSecurityContextTaskScheduler.java
@@ -101,28 +101,29 @@ public class DelegatingSecurityContextTaskScheduler implements TaskScheduler {
 
 	@Override
 	public ScheduledFuture<?> schedule(Runnable task, Instant startTime) {
-		return delegate.schedule(wrap(task), startTime);
+		return this.delegate.schedule(wrap(task), startTime);
 	}
 
 	@Override
 	public ScheduledFuture<?> scheduleAtFixedRate(Runnable task, Instant startTime, Duration period) {
-		return delegate.scheduleAtFixedRate(wrap(task), startTime, period);
+		return this.delegate.scheduleAtFixedRate(wrap(task), startTime, period);
 	}
 
 	@Override
 	public ScheduledFuture<?> scheduleAtFixedRate(Runnable task, Duration period) {
-		return delegate.scheduleAtFixedRate(wrap(task), period);
+		return this.delegate.scheduleAtFixedRate(wrap(task), period);
 	}
 
 	@Override
 	public ScheduledFuture<?> scheduleWithFixedDelay(Runnable task, Instant startTime, Duration delay) {
-		return delegate.scheduleWithFixedDelay(wrap(task), startTime, delay);
+		return this.delegate.scheduleWithFixedDelay(wrap(task), startTime, delay);
 	}
 
 	@Override
 	public ScheduledFuture<?> scheduleWithFixedDelay(Runnable task, Duration delay) {
-		return delegate.scheduleWithFixedDelay(wrap(task), delay);
+		return this.delegate.scheduleWithFixedDelay(wrap(task), delay);
 	}
+
 	@Override
 	public Clock getClock() {
 		return this.delegate.getClock();
diff --git a/core/src/test/java/org/springframework/security/scheduling/DelegatingSecurityContextTaskSchedulerTests.java b/core/src/test/java/org/springframework/security/scheduling/DelegatingSecurityContextTaskSchedulerTests.java
index 5eb8c77220..3d61c7a58b 100644
--- a/core/src/test/java/org/springframework/security/scheduling/DelegatingSecurityContextTaskSchedulerTests.java
+++ b/core/src/test/java/org/springframework/security/scheduling/DelegatingSecurityContextTaskSchedulerTests.java
@@ -124,7 +124,7 @@ public class DelegatingSecurityContextTaskSchedulerTests {
 	public void scheduleWhenRunnableDateThenDelegates() {
 		Instant date = Instant.now();
 		this.delegatingSecurityContextTaskScheduler.schedule(this.runnable, date);
-		verify(this.scheduler).schedule(any(Runnable.class), any(Date.class));
+		verify(this.scheduler).schedule(any(Runnable.class), any(Instant.class));
 	}
 
 	@Test