diff --git a/test/porousmediumflow/mpnc/implicit/combustionfluidsystem.hh b/test/porousmediumflow/mpnc/implicit/combustionfluidsystem.hh
index abc1da5ef4a10ad32d2f8d6c6cf7de4cf6d47e55..20b9bad031a1243a52dfdf8cd4ea90fcaf553d4a 100644
--- a/test/porousmediumflow/mpnc/implicit/combustionfluidsystem.hh
+++ b/test/porousmediumflow/mpnc/implicit/combustionfluidsystem.hh
@@ -19,7 +19,7 @@
 /*!
  * \file
  * \ingroup Fluidsystems
- * \brief @copybrief Dumux::FluidSystems::PureWaterSimpleFluidSystem
+ * \brief @copybrief Dumux::FluidSystems::CombustionFluidsystem
  */
 #ifndef DUMUX_PURE_WATER_FLUID_SYSTEM_HH
 #define DUMUX_PURE_WATER_FLUID_SYSTEM_HH
@@ -46,10 +46,10 @@ namespace FluidSystems {
  *           Values are taken from Shi & Wang, A numerical investigation of transpiration cooling with liquid coolant phase change, Transport in Porous Media, 2011
  */
 template <class Scalar, bool useComplexRelations = false>
-class PureWaterSimpleFluidSystem
-    : public BaseFluidSystem<Scalar, PureWaterSimpleFluidSystem<Scalar, useComplexRelations> >
+class CombustionFluidsystem
+    : public BaseFluidSystem<Scalar, CombustionFluidsystem<Scalar, useComplexRelations> >
 {
-    using ThisType = PureWaterSimpleFluidSystem<Scalar, useComplexRelations>;
+    using ThisType = CombustionFluidsystem<Scalar, useComplexRelations>;
     using Base = BaseFluidSystem<Scalar, ThisType>;
 
     // convenience using declarations
diff --git a/test/porousmediumflow/mpnc/implicit/combustionproblem1c.hh b/test/porousmediumflow/mpnc/implicit/combustionproblem1c.hh
index 0e6e4c7dd42f7102a25b89ca718efb068b53d112..73100f151a5595dd3d35043cbbcf2010530d3421 100644
--- a/test/porousmediumflow/mpnc/implicit/combustionproblem1c.hh
+++ b/test/porousmediumflow/mpnc/implicit/combustionproblem1c.hh
@@ -67,7 +67,7 @@ SET_TYPE_PROP(CombustionOneComponentTypeTag,
 
 SET_TYPE_PROP(CombustionOneComponentTypeTag,
               FluidSystem,
-              FluidSystems::PureWaterSimpleFluidSystem<typename GET_PROP_TYPE(TypeTag, Scalar), /*useComplexRelations=*/false>);
+              FluidSystems::CombustionFluidsystem<typename GET_PROP_TYPE(TypeTag, Scalar), /*useComplexRelations=*/false>);
 
 //! Set the default pressure formulation: either pw first or pn first
 SET_INT_PROP(CombustionOneComponentTypeTag,