diff --git a/src/fullnode.rs b/src/fullnode.rs
index 2d1913219b..f03ff643a1 100644
--- a/src/fullnode.rs
+++ b/src/fullnode.rs
@@ -319,7 +319,7 @@ impl FullNode {
     }
 
     //used for notifying many nodes in parallel to exit
-    pub fn notify_exit(self) {
+    pub fn notify_exit(&self) {
         self.exit.store(true, Ordering::Relaxed);
     }
     pub fn close(self) -> Result<()> {
diff --git a/tests/multinode.rs b/tests/multinode.rs
index e4b488b798..0bf74e541e 100644
--- a/tests/multinode.rs
+++ b/tests/multinode.rs
@@ -464,7 +464,7 @@ fn test_multi_node_dynamic_network() {
         }
     }
     assert_eq!(consecutive_success, 10);
-    for (_, node) in validators {
+    for (_, node) in &validators {
         node.notify_exit();
     }
     server.notify_exit();