diff --git a/indra/newview/llviewerjointmesh.cpp b/indra/newview/llviewerjointmesh.cpp
index cf6133f5bbb63f421bc9ebb9fe0f04a52e5f2647..512ddc8565bd1a05535d1efb062a89a262bb2139 100644
--- a/indra/newview/llviewerjointmesh.cpp
+++ b/indra/newview/llviewerjointmesh.cpp
@@ -11,6 +11,10 @@
 //-----------------------------------------------------------------------------
 #include "llviewerprecompiledheaders.h"
 
+#if LL_WINDOWS // For Intel vector classes
+	#include "fvec.h"
+#endif
+
 #include "imageids.h"
 #include "llfasttimer.h"