diff --git a/src/ws_pool.ml b/src/ws_pool.ml
index 179d555a..44432112 100644
--- a/src/ws_pool.ml
+++ b/src/ws_pool.ml
@@ -1,6 +1,6 @@
 module WSQ = Ws_deque_
 module A = Atomic_
-module TLS = Thread_local_storage
+module TLS = Thread_local_storage_
 include Runner
 
 let ( let@ ) = ( @@ )