diff --git a/src/sync/pool.go b/src/sync/pool.go
index 0fa8f8cdaa0..f9a8405b791 100644
--- a/src/sync/pool.go
+++ b/src/sync/pool.go
@@ -315,4 +315,4 @@ func runtime_procUnpin()
 func runtime_LoadAcquintptr(ptr *uintptr) uintptr
 
 //go:linkname runtime_StoreReluintptr internal/runtime/atomic.StoreReluintptr
-func runtime_StoreReluintptr(ptr *uintptr, val uintptr) uintptr
+func runtime_StoreReluintptr(ptr *uintptr, val uintptr)