1 files changed, 1 insertions, 1 deletions
diff --git a/timer.h b/timer.h
index 5182020125..0ec3e0d9bb 100644
--- a/timer.h
+++ b/timer.h
@@ -44,6 +44,6 @@ struct Timer {
         Service *service;
 };
 
-const UnitVTable timer_vtable;
+extern const UnitVTable timer_vtable;
 
 #endif