diff --git a/tracetools/CMakeLists.txt b/tracetools/CMakeLists.txt
index d92afac..c12e6ae 100644
--- a/tracetools/CMakeLists.txt
+++ b/tracetools/CMakeLists.txt
@@ -102,6 +102,8 @@ else()
 endif()
 
 if(BUILD_TESTING)
+  set(ament_cmake_cppcheck_ADDITIONAL_INCLUDE_DIRS ${LTTNG_INCLUDE_DIRS})
+
   find_package(ament_cmake_gtest REQUIRED)
   find_package(ament_lint_auto REQUIRED)
   ament_lint_auto_find_test_dependencies()