diff --git a/analyzer/meson.build b/analyzer/meson.build
index ebeed4d..fe2858d 100644
--- a/analyzer/meson.build
+++ b/analyzer/meson.build
@@ -2,6 +2,7 @@
 analyzer_src = files(
     'analyzer_main.cpp',
     'create_pel.cpp',
+    'guard.cpp',
     'hei_user_interface.cpp',
     'initialize_isolator.cpp',
     'ras-data/ras-data-parser.cpp',