diff --git a/docs/src/literate/plasticity.jl b/docs/src/literate/plasticity.jl
index 8d3669e4a3..5b74b28441 100644
--- a/docs/src/literate/plasticity.jl
+++ b/docs/src/literate/plasticity.jl
@@ -328,7 +328,7 @@ function solve()
         ## Update the old states with the converged values for next timestep
         states_old .= states
 
-        u_max[timestep] = maximum(abs.(u)) # maximum displacement in current timestep
+        u_max[timestep] = maximum(abs, u) # maximum displacement in current timestep
     end
 
     ## ## Postprocessing