diff --git a/quickwit/quickwit-common/src/runtimes.rs b/quickwit/quickwit-common/src/runtimes.rs
index 88a324c4d07..a7bbd1e39c9 100644
--- a/quickwit/quickwit-common/src/runtimes.rs
+++ b/quickwit/quickwit-common/src/runtimes.rs
@@ -83,7 +83,7 @@ impl Default for RuntimesConfig {
 }
 
 fn start_runtimes(config: RuntimesConfig) -> HashMap<RuntimeType, Runtime> {
-    let disable_lifo_slot: bool = crate::get_from_env("DISABLE_LIFO_SLOT", false);
+    let disable_lifo_slot: bool = crate::get_from_env("DISABLE_LIFO_SLOT", true);
 
     let mut runtimes = HashMap::default();
     let mut blocking_runtime_builder = tokio::runtime::Builder::new_multi_thread();