diff --git a/src/interpreter2/VirtualSchematikaMachine.cpp b/src/interpreter2/VirtualSchematikaMachine.cpp
index f7131e0a..4dccce34 100644
--- a/src/interpreter2/VirtualSchematikaMachine.cpp
+++ b/src/interpreter2/VirtualSchematikaMachine.cpp
@@ -4,7 +4,7 @@
  **/
 
 #include "VirtualSchematikaMachine.hpp"
-#include <xo/expression2/IExpression_DConstant.hpp>
+#include <xo/expression2/detail/IExpression_DConstant.hpp>
 #include <xo/expression2/DConstant.hpp>
 #include <cassert>