diff --git a/src/test_controls/test_controls/test_controller.py b/src/test_controls/test_controls/test_controller.py
index 2ed34194..29ed4bfc 100644
--- a/src/test_controls/test_controls/test_controller.py
+++ b/src/test_controls/test_controls/test_controller.py
@@ -32,6 +32,9 @@ class TestController(Node):
         self.get_logger().info('publishing message on service')
         return self.future.result()
 
+    def on_release(self, key):
+        self.get_logger().info('released ' + str(key))
+        
     def on_press(self, key):
         try:
             char = getattr(key, 'char', None)