diff --git a/src/experimental/AcousticSolverTest.cpp b/src/experimental/AcousticSolverTest.cpp
index 06b0382dea45741a25665907ba009cc7af311015..aaa9c0dbfefdbb603a95d657b81e23813ad5e69c 100644
--- a/src/experimental/AcousticSolverTest.cpp
+++ b/src/experimental/AcousticSolverTest.cpp
@@ -2,6 +2,7 @@
 #include <rang.hpp>
 
 #include <BlockPerfectGas.hpp>
+#include <fstream>
 
 typedef const double my_double;
 
@@ -16,7 +17,7 @@ public:
   ReduceMin(const Kokkos::View<my_double*>& x) : x_ (x) {}
 
   typedef Kokkos::View<my_double*>::size_type size_type;
-    
+
   KOKKOS_INLINE_FUNCTION void
   operator() (const size_type i, value_type& update) const
   {
@@ -383,8 +384,8 @@ AcousticSolverTest::AcousticSolverTest(const long int& nj)
 	rhoj[j] = mj[j]/Vj[j];
       });
 
-    block_eos.updatePandCFromRhoE();    
-    
+    block_eos.updatePandCFromRhoE();
+
     ++iteration;
   }