diff --git a/buildman/qemu-coreos/start.sh b/buildman/qemu-coreos/start.sh
index e95ea5009..d1bbb418e 100644
--- a/buildman/qemu-coreos/start.sh
+++ b/buildman/qemu-coreos/start.sh
@@ -7,7 +7,7 @@ set -o nounset
 mkdir -p /userdata/openstack/latest
 echo "$USERDATA" > /userdata/openstack/latest/user_data
 
-qemu-img resize ./coreos_production_qemu_image.img "${VM_VOLUME_SIZE}"
+time qemu-img resize ./coreos_production_qemu_image.img "${VM_VOLUME_SIZE}"
 
 qemu-system-x86_64 \
         -enable-kvm \