diff --git a/system_state.cc b/system_state.cc
index 0d553df..432b99f 100644
--- a/system_state.cc
+++ b/system_state.cc
@@ -24,7 +24,7 @@
     return false;
   }
 
-  if (!payload_state_.Initialize(&prefs_))
+  if (!payload_state_.Initialize(this))
     return false;
 
   // Initialize the GPIO handler as instructed.