diff --git a/drivers/clk/mediatek/clk-mt7981.c b/drivers/clk/mediatek/clk-mt7981.c
index 69d018b817a..6e770de99cf 100644
--- a/drivers/clk/mediatek/clk-mt7981.c
+++ b/drivers/clk/mediatek/clk-mt7981.c
@@ -404,9 +404,9 @@ static const struct mtk_composite infra_muxes[] = {
 	INFRA_MUX(CK_INFRA_SPI2_SEL, "infra_spi2_sel", infra_spi0_parents, 0x10,
 		  6, 1),
 	INFRA_MUX(CK_INFRA_PWM1_SEL, "infra_pwm1_sel", infra_pwm1_parents, 0x10,
-		  9, 2),
+		  9, 1),
 	INFRA_MUX(CK_INFRA_PWM2_SEL, "infra_pwm2_sel", infra_pwm1_parents, 0x10,
-		  11, 2),
+		  11, 1),
 	INFRA_MUX(CK_INFRA_PWM_BSEL, "infra_pwm_bsel", infra_pwm_bsel_parents,
 		  0x10, 13, 2),
 	INFRA_MUX(CK_INFRA_PCIE_SEL, "infra_pcie_sel", infra_pcie_parents, 0x20,