diff --git a/MaterialLib/MPL/Properties/RelativePermeability/RelPermUdell.h b/MaterialLib/MPL/Properties/RelativePermeability/RelPermUdell.h
index af372e5c4f8c3b412958dff385b1f52590ece0de..f9ecc8f2394d2f41fb4c42e884514b5918239b15 100644
--- a/MaterialLib/MPL/Properties/RelativePermeability/RelPermUdell.h
+++ b/MaterialLib/MPL/Properties/RelativePermeability/RelPermUdell.h
@@ -46,8 +46,8 @@ private:
 public:
     RelPermUdell(std::string name, const double residual_liquid_saturation,
                  const double residual_gas_saturation,
-                 const double min_relative_permeability_liquid_,
-                 const double min_relative_permeability_gas_);
+                 const double min_relative_permeability_liquid,
+                 const double min_relative_permeability_gas);
 
     void checkScale() const override
     {