diff --git a/poky/meta/classes/image.bbclass b/poky/meta/classes/image.bbclass
index 7fa4ff2..f4633da 100644
--- a/poky/meta/classes/image.bbclass
+++ b/poky/meta/classes/image.bbclass
@@ -526,7 +526,7 @@
     base_size = size_kb * overhead_factor
     bb.debug(1, '%f = %d * %f' % (base_size, size_kb, overhead_factor))
     base_size2 = max(base_size, rootfs_req_size) + rootfs_extra_space
-    bb.debug(1, '%f = max(%f, %d)[%f] + %d' % (base_size2, base_size, rootfs_req_size, max(base_size, rootfs_req_size), overhead_factor))
+    bb.debug(1, '%f = max(%f, %d)[%f] + %d' % (base_size2, base_size, rootfs_req_size, max(base_size, rootfs_req_size), rootfs_extra_space))
 
     base_size = base_size2
     if base_size != int(base_size):