diff --git a/src/HLLC.hpp b/src/HLLC.hpp
index 42b5dfcd2..dea20e578 100644
--- a/src/HLLC.hpp
+++ b/src/HLLC.hpp
@@ -18,9 +18,9 @@ namespace quokka::Riemann
 //  Minoshima & Miyoshi, "A low-dissipation HLLD approximate Riemann solver
 //  	for a very wide range of Mach numbers," JCP (2021).]
 //
-template <typename problem_t, int N_scalars, int N_mscalars,  int fluxdim>
-AMREX_FORCE_INLINE AMREX_GPU_DEVICE auto HLLC(quokka::HydroState<N_scalars, N_mscalars> const &sL, quokka::HydroState<N_scalars, N_mscalars> const &sR, const double gamma,
-					      const double du, const double dw) -> quokka::valarray<double, fluxdim>
+template <typename problem_t, int N_scalars, int N_mscalars, int fluxdim>
+AMREX_FORCE_INLINE AMREX_GPU_DEVICE auto HLLC(quokka::HydroState<N_scalars, N_mscalars> const &sL, quokka::HydroState<N_scalars, N_mscalars> const &sR,
+					      const double gamma, const double du, const double dw) -> quokka::valarray<double, fluxdim>
 {
 	// compute Roe averages
 
diff --git a/src/HydroState.hpp b/src/HydroState.hpp
index 1518ac005..7efbcbfa9 100644
--- a/src/HydroState.hpp
+++ b/src/HydroState.hpp
@@ -6,15 +6,15 @@
 namespace quokka
 {
 template <int Nall, int Nmass> struct HydroState {
-	double rho;			       // density
-	double u;			       // normal velocity component
-	double v;			       // transverse velocity component
-	double w;			       // 2nd transverse velocity component
-	double P;			       // pressure
-	double cs;			       // adiabatic sound speed
-	double E;			       // total energy density
-	double Eint;			       // internal energy density
-	std::array<double, Nall> scalar;	       // passive scalars
+	double rho;				   // density
+	double u;				   // normal velocity component
+	double v;				   // transverse velocity component
+	double w;				   // 2nd transverse velocity component
+	double P;				   // pressure
+	double cs;				   // adiabatic sound speed
+	double E;				   // total energy density
+	double Eint;				   // internal energy density
+	std::array<double, Nall> scalar;	   // passive scalars
 	amrex::GpuArray<double, Nmass> massScalar; // mass scalars
 };