diff --git a/port/threadx/CMakeLists.txt b/port/threadx/CMakeLists.txt
index e9c2e6a..f05a060 100644
--- a/port/threadx/CMakeLists.txt
+++ b/port/threadx/CMakeLists.txt
@@ -5,6 +5,7 @@ target_sources(${PROJECT_NAME}
     ${CMAKE_CURRENT_LIST_DIR}/src/tx_initialize_low_level.S
     ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_restore.S
     ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_context_save.S
+    ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_interrupt_control.S
     ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_schedule.S
     ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_stack_build.S
     ${CMAKE_CURRENT_LIST_DIR}/src/tx_thread_system_return.S