diff --git a/ozgcloud-keycloak-operator/src/main/java/de/ozgcloud/operator/keycloak/user/OzgCloudKeycloakUserSpec.java b/ozgcloud-keycloak-operator/src/main/java/de/ozgcloud/operator/keycloak/user/OzgCloudKeycloakUserSpec.java
index c7b9f29c00f9fb35fb388367f866b5e11643d5ee..f38ec6684a2828684333aee496fb5f5611477589 100644
--- a/ozgcloud-keycloak-operator/src/main/java/de/ozgcloud/operator/keycloak/user/OzgCloudKeycloakUserSpec.java
+++ b/ozgcloud-keycloak-operator/src/main/java/de/ozgcloud/operator/keycloak/user/OzgCloudKeycloakUserSpec.java
@@ -48,7 +48,7 @@ class OzgCloudKeycloakUserSpec {
 	@JsonProperty("keep_after_delete")
 	private boolean keepAfterDelete;
 
-	@JsonProperty("updateUser")
+	@JsonProperty("update_user")
 	private boolean updateUser;
 
 	@JsonProperty("keycloak_user")