diff --git a/MaterialLib/MPL/Properties/CreateOrthotropicEmbeddedFracturePermeability.h b/MaterialLib/MPL/Properties/CreateOrthotropicEmbeddedFracturePermeability.h
index 34b37ff7df28499f5983ab544c515e9724704407..c86921db1678676caad98438454d323ac3b37031 100644
--- a/MaterialLib/MPL/Properties/CreateOrthotropicEmbeddedFracturePermeability.h
+++ b/MaterialLib/MPL/Properties/CreateOrthotropicEmbeddedFracturePermeability.h
@@ -11,6 +11,7 @@
 #pragma once
 
 #include <memory>
+#include <vector>
 
 namespace BaseLib
 {