diff --git a/ApplicationCode/Application/RiaProjectModifier.h b/ApplicationCode/Application/RiaProjectModifier.h
index fee70f5c80..da0e0c16db 100644
--- a/ApplicationCode/Application/RiaProjectModifier.h
+++ b/ApplicationCode/Application/RiaProjectModifier.h
@@ -19,6 +19,7 @@
 
 #pragma once
 
+#include "cvfBase.h"
 #include "cvfObject.h"
 
 #include <QString>
diff --git a/ApplicationCode/ModelVisualization/RivReservoirPartMgr.h b/ApplicationCode/ModelVisualization/RivReservoirPartMgr.h
index 5616f7cd25..63acef4c8d 100644
--- a/ApplicationCode/ModelVisualization/RivReservoirPartMgr.h
+++ b/ApplicationCode/ModelVisualization/RivReservoirPartMgr.h
@@ -20,6 +20,7 @@
 
 #pragma once
 
+#include "cvfBase.h"
 #include "cvfArray.h"
 #include "cvfCollection.h"