1 files changed, 1 insertions, 0 deletions
diff --git a/indra/llwindow/llwindow.h b/indra/llwindow/llwindow.h
index e9147d552e..c235d77656 100755
--- a/indra/llwindow/llwindow.h
+++ b/indra/llwindow/llwindow.h
@@ -31,6 +31,7 @@
 #include "llcoord.h"
 #include "llstring.h"
 #include "llcursortypes.h"
+#include "llinstancetracker.h"
 #include "llsd.h"
 
 class LLSplashScreen;