diff --git a/ApplicationCode/Application/Tools/RiaColorTools.h b/ApplicationCode/Application/Tools/RiaColorTools.h
index be486342f3..ff2141b566 100644
--- a/ApplicationCode/Application/Tools/RiaColorTools.h
+++ b/ApplicationCode/Application/Tools/RiaColorTools.h
@@ -18,6 +18,7 @@
 
 #pragma once
 
+#include "cvfBase.h"
 #include "cvfArray.h"