diff --git a/meta-raspberrypi/classes/sdcard_image-rpi.bbclass b/meta-raspberrypi/classes/sdcard_image-rpi.bbclass
index 1389720..a7b9ac8 100644
--- a/meta-raspberrypi/classes/sdcard_image-rpi.bbclass
+++ b/meta-raspberrypi/classes/sdcard_image-rpi.bbclass
@@ -75,18 +75,6 @@
 SDIMG_VFAT = "${IMAGE_NAME}.vfat"
 SDIMG_LINK_VFAT = "${IMGDEPLOYDIR}/${IMAGE_LINK_NAME}.vfat"
 
-def split_overlays(d, out, ver=None):
-    dts = d.getVar("KERNEL_DEVICETREE")
-    # Device Tree Overlays are assumed to be suffixed by '-overlay.dtb' (4.1.x) or by '.dtbo' (4.4.9+) string and will be put in a dedicated folder
-    if out:
-        overlays = oe.utils.str_filter_out(r'\S+\-overlay\.dtb$', dts, d)
-        overlays = oe.utils.str_filter_out(r'\S+\.dtbo$', overlays, d)
-    else:
-        overlays = oe.utils.str_filter(r'\S+\-overlay\.dtb$', dts, d) + \
-                   " " + oe.utils.str_filter(r'\S+\.dtbo$', dts, d)
-
-    return overlays
-
 IMAGE_CMD:rpi-sdimg () {
 
     # Align partitions
@@ -97,7 +85,7 @@
     echo "Creating filesystem with Boot partition ${BOOT_SPACE_ALIGNED} KiB and RootFS $ROOTFS_SIZE KiB"
 
     # Check if we are building with device tree support
-    DTS="${KERNEL_DEVICETREE}"
+    DTS="${@make_dtb_boot_files(d)}"
 
     # Initialize sdcard image file
     dd if=/dev/zero of=${SDIMG} bs=1024 count=0 seek=${SDIMG_SIZE}
@@ -120,17 +108,20 @@
         mcopy -v -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/armstubs/${ARMSTUB} ::/ || bbfatal "mcopy cannot copy ${DEPLOY_DIR_IMAGE}/armstubs/${ARMSTUB} into boot.img"
     fi
     if test -n "${DTS}"; then
-        # Copy board device trees to root folder
-        for dtbf in ${@split_overlays(d, True)}; do
-            dtb=`basename $dtbf`
-            mcopy -v -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/$dtb ::$dtb || bbfatal "mcopy cannot copy ${DEPLOY_DIR_IMAGE}/$dtb into boot.img"
-        done
-
-        # Copy device tree overlays to dedicated folder
+        # Copy board device trees (including overlays)
+        # There is an assumption here - no DTB in other directories than root
+        # and root/overlays. mmd/mcopy are not very flexible tools.
         mmd -i ${WORKDIR}/boot.img overlays
-        for dtbf in ${@split_overlays(d, False)}; do
-            dtb=`basename $dtbf`
-            mcopy -v -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/$dtb ::overlays/$dtb || bbfatal "mcopy cannot copy ${DEPLOY_DIR_IMAGE}/$dtb into boot.img"
+        for entry in ${DTS} ; do
+            # Split entry at optional ';'
+            if [ $(echo "$entry" | grep -c \;) = "0" ] ; then
+                DEPLOY_FILE="$entry"
+                DEST_FILENAME="$entry"
+            else
+                DEPLOY_FILE="$(echo "$entry" | cut -f1 -d\;)"
+                DEST_FILENAME="$(echo "$entry" | cut -f2- -d\;)"
+            fi
+            mcopy -v -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${DEPLOY_FILE} ::${DEST_FILENAME} || bbfatal "mcopy cannot copy ${DEPLOY_DIR_IMAGE}/${DEPLOY_FILE} into boot.img"
         done
     fi
     if [ "${RPI_USE_U_BOOT}" = "1" ]; then