diff --git a/real_system_state.h b/real_system_state.h
index 83f3ac1..9ced628 100644
--- a/real_system_state.h
+++ b/real_system_state.h
@@ -52,6 +52,10 @@
     return &prefs_;
   }
 
+  virtual inline PrefsInterface* powerwash_safe_prefs() {
+      return &powerwash_safe_prefs_;
+    }
+
   virtual inline PayloadStateInterface* payload_state() {
     return &payload_state_;
   }
@@ -95,6 +99,9 @@
   // Interface for persisted store.
   Prefs prefs_;
 
+  // Interface for persisted store that persists across powerwashes.
+  Prefs powerwash_safe_prefs_;
+
   // All state pertaining to payload state such as
   // response, URL, backoff states.
   PayloadState payload_state_;