diff --git a/vl.h b/vl.h
index 05b0a1f..54f6cdd 100644
--- a/vl.h
+++ b/vl.h
@@ -170,6 +170,7 @@
 extern int audio_enabled;
 extern int ram_size;
 extern int bios_size;
+extern int rtc_utc;
 
 /* XXX: make it dynamic */
 #if defined (TARGET_PPC)