diff --git a/app/src/main/cpp/skyline/services/timesrv/ITimeZoneService.h b/app/src/main/cpp/skyline/services/timesrv/ITimeZoneService.h
index 09576630..149f087b 100644
--- a/app/src/main/cpp/skyline/services/timesrv/ITimeZoneService.h
+++ b/app/src/main/cpp/skyline/services/timesrv/ITimeZoneService.h
@@ -6,6 +6,7 @@
 #include <services/serviceman.h>
 
 namespace skyline::service::timesrv {
+    inline long customRtc = 0;
     namespace core {
         struct TimeServiceObject;
     }