diff --git a/src/api/web.rs b/src/api/web.rs
index ebb0b0e0..d9d13b13 100644
--- a/src/api/web.rs
+++ b/src/api/web.rs
@@ -57,7 +57,7 @@ fn vaultwarden_css() -> Cached<Css<String>> {
     let css_options = json!({
         "signup_disabled": !CONFIG.signups_allowed() && CONFIG.signups_domains_whitelist().is_empty(),
         "mail_enabled": CONFIG.mail_enabled(),
-        "yubico_enabled": CONFIG._enable_yubico() && (CONFIG.yubico_client_id().is_some() == CONFIG.yubico_secret_key().is_some()),
+        "yubico_enabled": CONFIG._enable_yubico() && CONFIG.yubico_client_id().is_some() && CONFIG.yubico_secret_key().is_some(),
         "emergency_access_allowed": CONFIG.emergency_access_allowed(),
         "sends_allowed": CONFIG.sends_allowed(),
         "load_user_scss": true,