diff --git a/opm/parser/eclipse/EclipseState/Grid/EclipseGrid.hpp b/opm/parser/eclipse/EclipseState/Grid/EclipseGrid.hpp
index 21a7f3dff..e288b16b5 100644
--- a/opm/parser/eclipse/EclipseState/Grid/EclipseGrid.hpp
+++ b/opm/parser/eclipse/EclipseState/Grid/EclipseGrid.hpp
@@ -53,6 +53,7 @@ namespace Opm {
 
     class EclipseGrid : public GridDims {
     public:
+        EclipseGrid() = default;
         explicit EclipseGrid(const std::string& filename);
 
         /*