diff --git a/example_12/controllers/src/passthrough_controller.cpp b/example_12/controllers/src/passthrough_controller.cpp
index a5efbd63b..6cb59ebba 100644
--- a/example_12/controllers/src/passthrough_controller.cpp
+++ b/example_12/controllers/src/passthrough_controller.cpp
@@ -140,7 +140,8 @@ controller_interface::return_type PassthroughController::update_and_write_comman
   {
     if (!std::isnan(reference_interfaces_[i]))
     {
-      command_interfaces_[i].set_value(reference_interfaces_[i]);
+      // Explicitly ignore return value
+      std::ignore = command_interfaces_[i].set_value(reference_interfaces_[i]);
     }
   }