diff --git a/dracut/anaconda-diskroot b/dracut/anaconda-diskroot
index 966bd844886..07958f1180a 100755
--- a/dracut/anaconda-diskroot
+++ b/dracut/anaconda-diskroot
@@ -52,15 +52,19 @@ debug_msg "Trying to find a root image on the device $dev."
 # Then do not run again.
 [ -e "/dev/root" ] && exit 1
 
-# Skip partitions on a disk with the iso9660 filesystem. Blivet doesn't
-# recognize these partitions, so we mount the disk in stage2. However, it
-# will fail if one of its partitions is already mounted, for example here.
+# Skip partitions on a disk with the iso9660 filesystem, set by LABEL or UUID.
+# Blivet doesn't recognize these partitions, so we mount the disk in stage2.
+# However, it will fail if one of its partitions is already mounted, for example here.
 # Therefore, skip the partitions and use the disk to find our root image.
 # See the bug 1878784.
-if dev_is_on_disk_with_iso9660 "$dev"; then
-  debug_msg "Skipping $dev on a disk with iso9660."
-  exit 1
-fi
+case "$root" in
+  *"by-label"*|*"by-uuid"*)
+    if dev_is_on_disk_with_iso9660 "$dev"; then
+      debug_msg "Skipping $dev on a disk with iso9660."
+      exit 1
+    fi
+    ;;
+esac
 
 # If we're waiting for a cdrom kickstart, the user might need to swap discs.
 # So if this is a CDROM drive, make a note of it, but don't mount it (yet).