  Let $G$ be a unicyclic graph with edge ideal $I(G)$. For any integer $s\geq
1$, we denote the $s$-th symbolic power of $I(G)$ by $I(G)^{(s)}$. It is shown
that ${\rm reg}(I(G)^{(s)})={\rm reg}(I(G)^s)$, for every $s\geq 1$.
