diff --git a/meta/classes/poky-image.bbclass b/meta/classes/poky-image.bbclass
index 82f11b7037..423388ffa5 100644
--- a/meta/classes/poky-image.bbclass
+++ b/meta/classes/poky-image.bbclass
@@ -81,4 +81,4 @@ SATO_IMAGE_FEATURES = "${X11_IMAGE_FEATURES} apps-x11-sato apps-x11-games apps-x
 inherit image
 
 # Create /etc/timestamp during image construction to give a reasonably sane default time setting
-ROOTFS_POSTPROCESS_COMMAND += "rootfs_update_timestamp"
+ROOTFS_POSTPROCESS_COMMAND += "rootfs_update_timestamp ;"