diff --git a/config/sources/families/rockchip.conf b/config/sources/families/rockchip.conf
index b67437d54c07..b924a4958c18 100644
--- a/config/sources/families/rockchip.conf
+++ b/config/sources/families/rockchip.conf
@@ -203,8 +203,8 @@ family_tweaks() {
 
 	# Create gpio and i2c groups on the build rootfs; they are matched against
 	# udev rules to allow non-root user access to these resources
-	chroot_sdcard addgroup --system --quiet --gid 900 gpio
-	chroot_sdcard addgroup --system --quiet --gid 901 i2c
+	chroot_sdcard getent group gpio >/dev/null || chroot_sdcard addgroup --system --quiet --gid 900 gpio
+	chroot_sdcard getent group i2c  >/dev/null || chroot_sdcard addgroup --system --quiet --gid 901 i2c
 
 	return 0