diff --git a/meta/classes/buildstats.bbclass b/meta/classes/buildstats.bbclass
index 0de605200a..9f80cbd75c 100644
--- a/meta/classes/buildstats.bbclass
+++ b/meta/classes/buildstats.bbclass
@@ -8,6 +8,8 @@ BUILDSTATS_BASE = "${TMPDIR}/buildstats/"
 #
 ################################################################################
 
+BUILDSTATS_DISK_USAGE_CMD ??= "du -sh"
+
 def get_buildprocess_cputime(pid):
     with open("/proc/%d/stat" % pid, "r") as f:
         fields = f.readline().rstrip().split()
@@ -244,7 +246,8 @@ python run_buildstats () {
                 rootfs = d.getVar('IMAGE_ROOTFS')
                 if os.path.isdir(rootfs):
                     try:
-                        rootfs_size = subprocess.check_output(["du", "-sh", rootfs],
+                        rootfs_size = subprocess.check_output(
+                                d.getVar('BUILDSTATS_DISK_USAGE_CMD').split() + [rootfs],
                                 stderr=subprocess.STDOUT).decode('utf-8')
                         f.write("Uncompressed Rootfs size: %s" % rootfs_size)
                     except subprocess.CalledProcessError as err: