diff --git a/drivers/renesas/common/iic_dvfs/iic_dvfs.c b/drivers/renesas/common/iic_dvfs/iic_dvfs.c
index e1c9a5b..bf80697 100644
--- a/drivers/renesas/common/iic_dvfs/iic_dvfs.c
+++ b/drivers/renesas/common/iic_dvfs/iic_dvfs.c
@@ -517,7 +517,7 @@
 	uint32_t err = 0U;
 
 	mstpcr_write(SCMSTPCR9, CPG_MSTPSR9, CPG_BIT_SMSTPCR9_DVFS);
-	mmio_write_8(IIC_DVFS_REG_ICCR, 0U);
+	mmio_write_8(IIC_DVFS_REG_ICCR, 1U);
 again:
 	switch (state) {
 	case DVFS_START:
@@ -557,7 +557,7 @@
 	uint32_t err = 0U;
 
 	mstpcr_write(SCMSTPCR9, CPG_MSTPSR9, CPG_BIT_SMSTPCR9_DVFS);
-	mmio_write_8(IIC_DVFS_REG_ICCR, 0U);
+	mmio_write_8(IIC_DVFS_REG_ICCR, 1U);
 again:
 	switch (state) {
 	case DVFS_START: