diff --git a/web/src/test/java/org/springframework/security/web/authentication/UsernamePasswordAuthenticationFilterTests.java b/web/src/test/java/org/springframework/security/web/authentication/UsernamePasswordAuthenticationFilterTests.java
index ac91b24640..afd0e271d0 100644
--- a/web/src/test/java/org/springframework/security/web/authentication/UsernamePasswordAuthenticationFilterTests.java
+++ b/web/src/test/java/org/springframework/security/web/authentication/UsernamePasswordAuthenticationFilterTests.java
@@ -150,6 +150,7 @@ public class UsernamePasswordAuthenticationFilterTests extends TestCase {
 	@Test
 	public void noSessionIsCreatedIfAllowSessionCreationIsFalse() throws Exception {
 		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.setMethod("POST");
 
 		UsernamePasswordAuthenticationFilter filter = new UsernamePasswordAuthenticationFilter();
 		filter.setAllowSessionCreation(false);