diff --git a/ApplicationCode/ProjectDataModel/RimEclipseCellColors.cpp b/ApplicationCode/ProjectDataModel/RimEclipseCellColors.cpp
index d377a51c32..891798e060 100644
--- a/ApplicationCode/ProjectDataModel/RimEclipseCellColors.cpp
+++ b/ApplicationCode/ProjectDataModel/RimEclipseCellColors.cpp
@@ -40,7 +40,7 @@
 
 #include "cafPdmUiTreeOrdering.h"
 
-#include "QMessageBox"
+#include <QMessageBox>
 
 CAF_PDM_SOURCE_INIT(RimEclipseCellColors, "ResultSlot");