diff --git a/example/actions/action_server/action-server-defer-example.js b/example/actions/action_server/action-server-defer-example.js
index 23bdeb36..5a2768f3 100644
--- a/example/actions/action_server/action-server-defer-example.js
+++ b/example/actions/action_server/action-server-defer-example.js
@@ -83,7 +83,8 @@ class FibonacciActionServer {
   handleAcceptedCallback(goalHandle) {
     this._node.getLogger().info('Deferring execution...');
     this._goalHandle = goalHandle;
-    this._timer = this._node.createTimer(BigInt(3000000), () =>
+    // Set timeout period to 3s (in nanoseconds).
+    this._timer = this._node.createTimer(3000000000n, () =>
       this.timerCallback()
     );
   }
diff --git a/example/rosidl/rosidl-parse-action-example.js b/example/rosidl/rosidl-parse-action-example.js
index 39662452..e95d3778 100644
--- a/example/rosidl/rosidl-parse-action-example.js
+++ b/example/rosidl/rosidl-parse-action-example.js
@@ -15,6 +15,7 @@
 const rosInstallPath = process.env.AMENT_PREFIX_PATH;
 const packageName = 'test_msgs';
 const packagePath = rosInstallPath + '/share/test_msgs/action/Fibonacci.action';
+const parser = require('../../rosidl_parser/rosidl_parser.js');
 
 parser
   .parseActionFile(packageName, packagePath)