diff --git a/cap/zx297520v3/sources/meta-zxic/conf/pub_esdk.inc b/cap/zx297520v3/sources/meta-zxic/conf/pub_esdk.inc
index b66ac77..8b7ec5a 100755
--- a/cap/zx297520v3/sources/meta-zxic/conf/pub_esdk.inc
+++ b/cap/zx297520v3/sources/meta-zxic/conf/pub_esdk.inc
@@ -7,6 +7,7 @@
 ZXIC_ZX297520V3_CFLAGS += "-I${BSPDIR}/pub/project/zx297520v3/include/drv "
 ZXIC_ZX297520V3_CFLAGS += "-I${BSPDIR}/pub/project/zx297520v3/include/nv "
 ZXIC_ZX297520V3_CFLAGS += "-D_CHIP_ZX297520V3 -DCPU_SHIFT=0 -D_USE_VEHICLE_DC -D_USE_ZXIC_DEBUG_INFO"
+ZXIC_ZX297520V3_CFLAGS += "${@bb.utils.contains('DISTRO_FEATURES', 'vehicle_dc_ref', '-D_USE_VEHICLE_DC_REF', '', d)}"
 
 ZXIC_EXTRA_CFLAGS += "${@bb.utils.contains('MACHINE', 'zx297520v3', '${ZXIC_ZX297520V3_CFLAGS}', '', d)}"