2 files changed, 11 insertions, 3 deletions

diff --git a/scripts/lib/wic/imager/direct.py b/scripts/lib/wic/imager/direct.py
index 123a07817b..edf5e5d221 100644
--- a/scripts/lib/wic/imager/direct.py
+++ b/scripts/lib/wic/imager/direct.py
@@ -315,7 +315,7 @@ class DirectImageCreator(BaseImageCreator):
                         % (disk_name, full_path, disk['min_size']))
             disk_obj = DiskImage(full_path, disk['min_size'])
             self.__disks[disk_name] = disk_obj
-            self.__image.add_disk(disk_name, disk_obj)
+            self.__image.add_disk(disk_name, disk_obj, disk_ids.get(disk_name))
 
         self.__image.create()
 
diff --git a/scripts/lib/wic/utils/partitionedfs.py b/scripts/lib/wic/utils/partitionedfs.py
index 8d93a68e3a..cb03009fc7 100644
--- a/scripts/lib/wic/utils/partitionedfs.py
+++ b/scripts/lib/wic/utils/partitionedfs.py
@@ -68,15 +68,17 @@ class Image():
                  'offset': 0,      # Offset of next partition (in sectors)
                  # Minimum required disk size to fit all partitions (in bytes)
                  'min_size': 0,
-                 'ptable_format': "msdos"} # Partition table format
+                 'ptable_format': "msdos", # Partition table format
+                 'identifier': None} # Disk system identifier
 
-    def add_disk(self, disk_name, disk_obj):
+    def add_disk(self, disk_name, disk_obj, identifier):
         """ Add a disk object which have to be partitioned. More than one disk
         can be added. In case of multiple disks, disk partitions have to be
         added for each disk separately with 'add_partition()". """
 
         self.__add_disk(disk_name)
         self.disks[disk_name]['disk'] = disk_obj
+        self.disks[disk_name]['identifier'] = identifier
 
     def __add_partition(self, part):
         """ This is a helper function for 'add_partition()' which adds a
@@ -245,6 +247,12 @@ class Image():
                             (disk['disk'].device, disk['ptable_format']),
                             self.native_sysroot)
 
+            if disk['identifier']:
+                msger.debug("Set disk identifier %x" % disk['identifier'])
+                with open(disk['disk'].device, 'r+b') as img:
+                    img.seek(0x1B8)
+                    img.write(disk['identifier'].to_bytes(4, 'little'))
+
         msger.debug("Creating partitions")
 
         for part in self.partitions: