diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 7c241ff3ae2f..52bbb9ce3807 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -450,7 +450,7 @@ fail:
 struct cpg_mssr_clk_domain {
 	struct generic_pm_domain genpd;
 	unsigned int num_core_pm_clks;
-	unsigned int core_pm_clks[0];
+	unsigned int core_pm_clks[];
 };
 
 static struct cpg_mssr_clk_domain *cpg_mssr_clk_domain;