diff --git a/ceph-osd/templates/bin/osd/ceph-disk/_common.sh.tpl b/ceph-osd/templates/bin/osd/ceph-disk/_common.sh.tpl
index d06a23322..2f75f1a38 100644
--- a/ceph-osd/templates/bin/osd/ceph-disk/_common.sh.tpl
+++ b/ceph-osd/templates/bin/osd/ceph-disk/_common.sh.tpl
@@ -15,6 +15,7 @@ limitations under the License.
 */}}
 
 set -ex
+export PS4='+${BASH_SOURCE:+$(basename ${BASH_SOURCE}):${LINENO}:}${FUNCNAME:+${FUNCNAME}():} '
 
 : "${CRUSH_LOCATION:=root=default host=${HOSTNAME}}"
 : "${OSD_PATH_BASE:=/var/lib/ceph/osd/${CLUSTER}}"
diff --git a/ceph-osd/templates/bin/osd/ceph-volume/_common.sh.tpl b/ceph-osd/templates/bin/osd/ceph-volume/_common.sh.tpl
index 39adc1bd8..5d68ba349 100644
--- a/ceph-osd/templates/bin/osd/ceph-volume/_common.sh.tpl
+++ b/ceph-osd/templates/bin/osd/ceph-volume/_common.sh.tpl
@@ -15,6 +15,7 @@ limitations under the License.
 */}}
 
 set -ex
+export PS4='+${BASH_SOURCE:+$(basename ${BASH_SOURCE}):${LINENO}:}${FUNCNAME:+${FUNCNAME}():} '
 
 : "${CRUSH_LOCATION:=root=default host=${HOSTNAME}}"
 : "${OSD_PATH_BASE:=/var/lib/ceph/osd/${CLUSTER}}"