--- include/CoolPropFluid.orig.h	2022-12-22 21:53:00.000000000 +0100
+++ include/CoolPropFluid.h	2022-12-22 21:53:19.000000000 +0100
@@ -18,7 +18,7 @@
 #include <map>
 #include <cassert>
 #include <iterator>
-#include "Eigen/Core"
+#include <Eigen/Core>
 #include "PolyMath.h"
 #include "Ancillaries.h"