diff --git a/ProcessLib/GroundwaterFlowProcess.h b/ProcessLib/GroundwaterFlowProcess.h
index 5ef915b9db9462b9dd07fe880eedf2e3a619d640..59ed1e35b12b52bb2583eeb5b30d3482abbebbd6 100644
--- a/ProcessLib/GroundwaterFlowProcess.h
+++ b/ProcessLib/GroundwaterFlowProcess.h
@@ -205,7 +205,7 @@ public:
 private:
     ProcessVariable* _hydraulic_head = nullptr;
 
-    double const _hydraulic_conductivity = 1e-6;
+    double const _hydraulic_conductivity = 1;
 
     MeshLib::MeshSubset const* _mesh_subset_all_nodes = nullptr;
     std::vector<MeshLib::MeshSubsets*> _all_mesh_subsets;