1 files changed, 2 insertions, 1 deletions
diff --git a/examples/double_mutex.rs b/examples/double_mutex.rs
index e2b08df..e9a9c77 100644
--- a/examples/double_mutex.rs
+++ b/examples/double_mutex.rs
@@ -1,5 +1,6 @@
 use std::thread;
 
+use happylock::collection::RetryingLockCollection;
 use happylock::{collection::RefLockCollection, Mutex, ThreadKey};
 
 const N: usize = 10;
@@ -11,7 +12,7 @@ fn main() {
 	for _ in 0..N {
 		let th = thread::spawn(move || {
 			let key = ThreadKey::get().unwrap();
-			let lock = RefLockCollection::new(&DATA);
+			let lock = RetryingLockCollection::new_ref(&DATA);
 			let mut guard = lock.lock(key);
 			*guard.1 = (100 - *guard.0).to_string();
 			*guard.0 += 1;