The Catalans were already cruising to victory thanks to a brace from the Argentine and a wonderful strike from Ousmane Dembele, but Messi put the icing on the cake late on with what for him was a routine finish.
A spell of Barca possesison ended with Luis Suarez intelligently flicking the ball on for Messi to race clear, with the diniutive genius doing the rest.
Messi fired low across Jeroen Zoet right-footed to find the far corner with the minimum of fuss before wheeling away in celebration with partner in crime Suarez.
The joy on Messi's face was clear to see as he got his and Barca's campaign off to the perfect start.