diff --git a/configs/P1020RDB-PC_defconfig b/configs/P1020RDB-PC_defconfig
index 5a2a6d4..4da2a20 100644
--- a/configs/P1020RDB-PC_defconfig
+++ b/configs/P1020RDB-PC_defconfig
@@ -36,6 +36,7 @@
 CONFIG_DM=y
 CONFIG_DM_I2C=y
 CONFIG_SPL_SYS_I2C_LEGACY=y
+CONFIG_I2C_SET_DEFAULT_BUS_NUM=y
 CONFIG_SYS_I2C_FSL=y
 CONFIG_SYS_FSL_I2C_OFFSET=0x3000
 CONFIG_SYS_FSL_HAS_I2C2_OFFSET=y