diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7779.c b/drivers/pinctrl/sh-pfc/pfc-r8a7779.c
index 96bdf480c8e8..8e22ca6c1044 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7779.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7779.c
@@ -3768,7 +3768,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	    /* SEL_SCIF [2] */
 	    FN_SEL_SCIF_0, FN_SEL_SCIF_1, FN_SEL_SCIF_2, FN_SEL_SCIF_3,
 	    /* SEL_CANCLK [2] */
-	    FN_SEL_CANCLK_0, FN_SEL_CANCLK_1, FN_SEL_CANCLK_2,
+	    FN_SEL_CANCLK_0, FN_SEL_CANCLK_1, FN_SEL_CANCLK_2, 0,
 	    /* SEL_CAN0 [1] */
 	    FN_SEL_CAN0_0, FN_SEL_CAN0_1,
 	    /* SEL_HSCIF1 [1] */