diff --git a/phosphor-power-supply/meson.build b/phosphor-power-supply/meson.build
index b6fb80f..9554dd9 100644
--- a/phosphor-power-supply/meson.build
+++ b/phosphor-power-supply/meson.build
@@ -3,6 +3,7 @@
     'phosphor-psu-monitor',
     'main.cpp',
     'psu_manager.cpp',
+    'power_supply.cpp',
     dependencies: [
         sdbusplus,
         sdeventplus,