diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index f9131d014ef4..d432e08d1777 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -1394,7 +1394,7 @@ static struct clk_regmap gxbb_32k_clk_sel = {
 		.name = "32k_clk_sel",
 		.ops = &clk_regmap_mux_ops,
 		.parent_data = gxbb_32k_clk_parents,
-		.num_parents = 4,
+		.num_parents = ARRAY_SIZE(gxbb_32k_clk_parents),
 		.flags = CLK_SET_RATE_PARENT,
 	},
 };