diff --git a/indra/newview/rlvlocks.h b/indra/newview/rlvlocks.h
index c9dccde9d..396496290 100644
--- a/indra/newview/rlvlocks.h
+++ b/indra/newview/rlvlocks.h
@@ -17,6 +17,7 @@
 #ifndef RLV_LOCKS_H
 #define RLV_LOCKS_H
 
+#include "llagentconstants.h"
 #include "llagentwearables.h"
 #include "lleventtimer.h"
 #include "llvoavatarself.h"