diff --git a/phosphor-regulators/src/meson.build b/phosphor-regulators/src/meson.build
index 76551ae..e93d65f 100644
--- a/phosphor-regulators/src/meson.build
+++ b/phosphor-regulators/src/meson.build
@@ -4,7 +4,9 @@
 )
 
 phosphor_regulators_source_files = [
-    'id_map.cpp'
+    'id_map.cpp',
+
+    'actions/if_action.cpp'
 ]
 
 phosphor_regulators_library = static_library(