diff --git a/src/Physics/Heat/heat_water.jl b/src/Physics/Heat/heat_water.jl
index abdc2cfc772c5bc5096e4337436b25aedfe60694..73f9c4d82beff1b1b3f7609c637f0f8dd2439a48 100644
--- a/src/Physics/Heat/heat_water.jl
+++ b/src/Physics/Heat/heat_water.jl
@@ -23,7 +23,7 @@ function water_energy_advection!(jH, jw, T, cw::Real, L::Real)
             T₁ = T[i-1],
             Tâ‚‚ = T[i];
             jH_w = advectiveflux(jw, T₁, T₂, cw, L)
-            state.jH[i] += jH_w
+            jH[i] += jH_w
         end
     end
 end