diff --git a/src/HLLC.hpp b/src/HLLC.hpp
index afbbcd5d1..7e6b6193f 100644
--- a/src/HLLC.hpp
+++ b/src/HLLC.hpp
@@ -36,10 +36,10 @@ AMREX_FORCE_INLINE AMREX_GPU_DEVICE auto HLLC(quokka::HydroState<N_scalars, N_ms
 	const double H_tilde = (wl * H_L + wr * H_R) * norm;
 	double cs_tilde = NAN;
 
-        // compute nonlinear wavespeed correction [Rider, Computers & Fluids 28 (1999) 741-777]
-        // (Only applicable in compressions. Significantly reduces slow-moving shock oscillations.)
+	// compute nonlinear wavespeed correction [Rider, Computers & Fluids 28 (1999) 741-777]
+	// (Only applicable in compressions. Significantly reduces slow-moving shock oscillations.)
 
-        const double dU = sL.u - sR.u;
+	const double dU = sL.u - sR.u;
 	double S_L = NAN;
 	double S_R = NAN;
 	if (gamma != 1.0) {
@@ -57,8 +57,8 @@ AMREX_FORCE_INLINE AMREX_GPU_DEVICE auto HLLC(quokka::HydroState<N_scalars, N_ms
 		// equation 4.12 of Kershaw+1998
 		cs_tilde = std::sqrt((1.0 / C_tilde_P) * (H_tilde - 0.5 * vsq_tilde - C_tilde_rho));
 
-		const double G_L = 0.5 * (G_gamma_L + 1.);              // 'fundamental derivative' for ideal gases
-		const double G_R = 0.5 * (G_gamma_R + 1.);              // 'fundamental derivative' for ideal gases
+		const double G_L = 0.5 * (G_gamma_L + 1.); // 'fundamental derivative' for ideal gases
+		const double G_R = 0.5 * (G_gamma_R + 1.); // 'fundamental derivative' for ideal gases
 
 		const double s_NL = 0.5 * G_L * std::max(dU, 0.); // second-order wavespeed correction
 		const double s_NR = 0.5 * G_R * std::max(dU, 0.);