diff --git a/init/reboot.cpp b/init/reboot.cpp
index 38e8227..97d40b7 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -548,6 +548,7 @@
         skip = strlen("reboot,");
     }
     SetProperty(LAST_REBOOT_REASON_PROPERTY, reason.c_str() + skip);
+    WriteStringToFile(reason.c_str() + skip, LAST_REBOOT_REASON_FILE);
     sync();
 
     bool is_thermal_shutdown = cmd == ANDROID_RB_THERMOFF;