diff --git a/src/SphericalCollapse/spherical_collapse.cpp b/src/SphericalCollapse/spherical_collapse.cpp
index 1aeaf6967..b0a3a0b14 100644
--- a/src/SphericalCollapse/spherical_collapse.cpp
+++ b/src/SphericalCollapse/spherical_collapse.cpp
@@ -115,7 +115,7 @@ template <> void RadhydroSimulation<CollapseProblem>::ComputeDerivedVar(int lev,
 		auto output = mf.arrays();
 
 		amrex::ParallelFor(
-		    mf, [=] AMREX_GPU_DEVICE(int bx, int i, int j, int k) noexcept { output[bx](i, j, k, ncomp) = phi_data_ref[bx](i, j, k, ncomp); });
+		    mf, [=] AMREX_GPU_DEVICE(int bx, int i, int j, int k) noexcept { output[bx](i, j, k, ncomp) = phi_data_ref[bx](i, j, k); });
 	}
 }