diff --git a/import-layers/meta-raspberrypi/wic/sdimage-raspberrypi.wks b/import-layers/meta-raspberrypi/wic/sdimage-raspberrypi.wks
index 353daac..01fbaea 100644
--- a/import-layers/meta-raspberrypi/wic/sdimage-raspberrypi.wks
+++ b/import-layers/meta-raspberrypi/wic/sdimage-raspberrypi.wks
@@ -2,5 +2,5 @@
 # long-description: Creates a partitioned SD card image for use with
 # Raspberry Pi. Boot files are located in the first vfat partition.
 
-part /boot --source bootimg-partition --ondisk mmcblk --fstype=vfat --label boot --active --align 4096 --size 20
-part / --source rootfs --ondisk mmcblk --fstype=ext4 --label root --align 4096
+part /boot --source bootimg-partition --ondisk mmcblk0 --fstype=vfat --label boot --active --align 4096 --size 20
+part / --source rootfs --ondisk mmcblk0 --fstype=ext4 --label root --align 4096