diff --git a/webflux/src/test/java/org/springframework/security/web/server/DefaultServerRedirectStrategyTests.java b/webflux/src/test/java/org/springframework/security/web/server/DefaultServerRedirectStrategyTests.java
index 4bf65714b2..f34fe14aa9 100644
--- a/webflux/src/test/java/org/springframework/security/web/server/DefaultServerRedirectStrategyTests.java
+++ b/webflux/src/test/java/org/springframework/security/web/server/DefaultServerRedirectStrategyTests.java
@@ -47,12 +47,12 @@ public class DefaultServerRedirectStrategyTests {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void sendRedirectWhenLocationNullThenException() {
-		this.strategy.sendRedirect(this.exchange, null);
+		this.strategy.sendRedirect(this.exchange, (URI) null);
 	}
 
 	@Test(expected = IllegalArgumentException.class)
 	public void sendRedirectWhenExchangeNullThenException() {
-		this.strategy.sendRedirect(null, this.location);
+		this.strategy.sendRedirect((ServerWebExchange) null, this.location);
 	}
 
 	@Test
diff --git a/webflux/src/test/java/org/springframework/security/web/server/authentication/RedirectServerAuthenticationEntryPointTests.java b/webflux/src/test/java/org/springframework/security/web/server/authentication/RedirectServerAuthenticationEntryPointTests.java
index a1f6e9e9aa..32d9e92e15 100644
--- a/webflux/src/test/java/org/springframework/security/web/server/authentication/RedirectServerAuthenticationEntryPointTests.java
+++ b/webflux/src/test/java/org/springframework/security/web/server/authentication/RedirectServerAuthenticationEntryPointTests.java
@@ -57,7 +57,7 @@ public class RedirectServerAuthenticationEntryPointTests {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void constructorStringWhenNullLocationThenException() {
-		new RedirectServerAuthenticationEntryPoint(null);
+		new RedirectServerAuthenticationEntryPoint((String) null);
 	}
 
 	@Test