diff --git a/spring-vault-core/src/main/java/org/springframework/vault/authentication/KubernetesAuthentication.java b/spring-vault-core/src/main/java/org/springframework/vault/authentication/KubernetesAuthentication.java
index aa492784..4fc3918c 100644
--- a/spring-vault-core/src/main/java/org/springframework/vault/authentication/KubernetesAuthentication.java
+++ b/spring-vault-core/src/main/java/org/springframework/vault/authentication/KubernetesAuthentication.java
@@ -78,7 +78,7 @@ public class KubernetesAuthentication implements ClientAuthentication,
 	public static AuthenticationSteps createAuthenticationSteps(
 			KubernetesAuthenticationOptions options) {
 
-		Assert.notNull(options, "CubbyholeAuthenticationOptions must not be null");
+		Assert.notNull(options, "KubernetesAuthenticationOptions must not be null");
 
 		String token = options.getJwtSupplier().get();
 		return AuthenticationSteps.fromSupplier(