diff --git a/drivers/clk/sunxi-ng/ccu-sun55i-a523.c b/drivers/clk/sunxi-ng/ccu-sun55i-a523.c
index 9efb9fd24b42..1a9a1cb869e2 100644
--- a/drivers/clk/sunxi-ng/ccu-sun55i-a523.c
+++ b/drivers/clk/sunxi-ng/ccu-sun55i-a523.c
@@ -385,7 +385,8 @@ static SUNXI_CCU_MP_DATA_WITH_MUX_GATE_FEAT(mbus_clk, "mbus", mbus_parents,
 					    0, 0,		/* no P */
 					    24, 3,	/* mux */
 					    BIT(31),	/* gate */
-					    0, CCU_FEATURE_UPDATE_BIT);
+					    CLK_IS_CRITICAL,
+					    CCU_FEATURE_UPDATE_BIT);
 
 static const struct clk_hw *mbus_hws[] = { &mbus_clk.common.hw };