diff --git a/indra/newview/llpanelvolume.cpp b/indra/newview/llpanelvolume.cpp
index 1a07d8a44..52f0a6e88 100644
--- a/indra/newview/llpanelvolume.cpp
+++ b/indra/newview/llpanelvolume.cpp
@@ -44,6 +44,7 @@
 #include "llmaterialtable.h"
 #include "llpermissionsflags.h"
 #include "llstring.h"
+#include "lltrans.h"
 #include "llvolume.h"
 #include "m3math.h"
 #include "material_codes.h"