diff --git a/backend/windmill-api/src/ee_oss.rs b/backend/windmill-api/src/ee_oss.rs
index 2ac953c9f6..30756af8ab 100644
--- a/backend/windmill-api/src/ee_oss.rs
+++ b/backend/windmill-api/src/ee_oss.rs
@@ -15,7 +15,7 @@ use {std::sync::Arc, tokio::sync::RwLock};
 #[cfg(not(feature = "private"))]
 pub async fn validate_license_key(
     _license_key: String,
-    _db: &crate::db::DB,
+    _db: Option<&crate::db::DB>,
 ) -> anyhow::Result<(String, bool)> {
     // Implementation is not open source
     Err(anyhow!("License can't be validated in Windmill CE"))