diff --git a/src/prognostic_equations/edmfx_closures.jl b/src/prognostic_equations/edmfx_closures.jl
index 41c85ad0291..054b1c2f862 100644
--- a/src/prognostic_equations/edmfx_closures.jl
+++ b/src/prognostic_equations/edmfx_closures.jl
@@ -91,7 +91,7 @@ function edmfx_nh_pressure_tendency!(Yₜ, Y, p, t, colidx, turbconv_model::EDMF
                 updraft_top = Spaces.level(ᶜz[colidx], level)[]
             end
         end
-        updraft_top = updraft_top - z_sfc[colidx]
+        updraft_top = updraft_top - z_sfc[colidx][]
 
         @. Yₜ.f.sgsʲs.:($$j).u₃[colidx] -= ᶠupdraft_nh_pressure(
             params,