diff --git a/indra/newview/llvocache.h b/indra/newview/llvocache.h
index 56b48ef705d44263cd09c64ee0d47a91afd01613..ccdff5e96ce2a69c3a0945739271553a3c77e479 100644
--- a/indra/newview/llvocache.h
+++ b/indra/newview/llvocache.h
@@ -30,6 +30,7 @@
 #include "lluuid.h"
 #include "lldatapacker.h"
 #include "lldlinked.h"
+#include "lldir.h"
 
 
 //---------------------------------------------------------------------------