diff --git a/backend/src/main.rs b/backend/src/main.rs
index c997788670..e81626f2af 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -601,6 +601,7 @@ Windmill Community Edition {GIT_VERSION}
                     server_killpill_rx,
                     base_internal_tx,
                     server_mode,
+                    #[cfg(feature = "smtp")]
                     base_internal_url.clone(),
                 )
                 .await?;
diff --git a/backend/tests/worker.rs b/backend/tests/worker.rs
index 712c8c2762..c983f2b7f8 100644
--- a/backend/tests/worker.rs
+++ b/backend/tests/worker.rs
@@ -134,6 +134,7 @@ impl ApiServer {
             rx,
             port_tx,
             false,
+            #[cfg(feature = "smtp")]
             format!("http://localhost:{}", addr.port()),
         ));
 
diff --git a/backend/windmill-api/src/lib.rs b/backend/windmill-api/src/lib.rs
index 46a5e245ce..36da690a89 100644
--- a/backend/windmill-api/src/lib.rs
+++ b/backend/windmill-api/src/lib.rs
@@ -174,6 +174,7 @@ pub async fn run_server(
     mut rx: tokio::sync::broadcast::Receiver<()>,
     port_tx: tokio::sync::oneshot::Sender<String>,
     server_mode: bool,
+    #[cfg(feature = "smtp")]
     base_internal_url: String,
 ) -> anyhow::Result<()> {
     let user_db = UserDB::new(db.clone());