diff --git a/src/lua/threads/runner.rs b/src/lua/threads/runner.rs
index 6786971..5cf587a 100644
--- a/src/lua/threads/runner.rs
+++ b/src/lua/threads/runner.rs
@@ -3,10 +3,11 @@ use futures::Future;
 use futures::{channel::mpsc, sink::SinkExt};
 use tokio::sync::RwLock;
 
-pub async fn iter_futures<F, T: Clone, Fut>(target_iter: Vec<T>, target_function: F, workers: usize)
+pub async fn iter_futures<F, T, Fut>(target_iter: Vec<T>, target_function: F, workers: usize)
 where
     F: FnOnce(T) -> Fut + Clone,
     Fut: Future<Output = ()>,
+    T: Clone
 {
     stream::iter(target_iter)
         .for_each_concurrent(workers, |out| {