diff --git a/cwIoFlow.cpp b/cwIoFlow.cpp
index ddd2e3b..34da359 100644
--- a/cwIoFlow.cpp
+++ b/cwIoFlow.cpp
@@ -17,6 +17,7 @@
 #include "cwDspTypes.h"
 #include "cwFlowDecl.h"
 #include "cwFlow.h"
+#include "cwFlowValue.h"
 #include "cwFlowTypes.h"
 #include "cwFlowCross.h"
 
diff --git a/cwIoPresetSelApp.cpp b/cwIoPresetSelApp.cpp
index fa0294d..f3cbaee 100644
--- a/cwIoPresetSelApp.cpp
+++ b/cwIoPresetSelApp.cpp
@@ -25,6 +25,7 @@
 #include "cwMtx.h"
 #include "cwFlowDecl.h"
 #include "cwFlow.h"
+#include "cwFlowValue.h"
 #include "cwFlowTypes.h"
 #include "cwFlowCross.h"
 #include "cwIoFlow.h"