diff --git a/server/src/instance.rs b/server/src/instance.rs
index 4f4ae29e..8c92a821 100644
--- a/server/src/instance.rs
+++ b/server/src/instance.rs
@@ -81,7 +81,7 @@ impl TimeControl {
 
     pub fn lobby_timeout(&self) -> DateTime<Utc> {
         Utc::now()
-            .checked_add_signed(Duration::seconds(30))
+            .checked_add_signed(Duration::seconds(15))
             .expect("could not set phase end")
     }