diff --git a/base/commands_queue.cpp b/base/commands_queue.cpp
index 94df6b1b86..99a54052dc 100644
--- a/base/commands_queue.cpp
+++ b/base/commands_queue.cpp
@@ -130,6 +130,7 @@ namespace core
   void CommandsQueue::Executor::CancelCommand()
   {
     Routine * routine = m_thread.GetRoutineAs<Routine>();
+    CHECK(routine, ());
     routine->CancelCommand();
   }