diff --git a/tools/cephfs/evict-stale.sh b/tools/cephfs/evict-stale.sh
index 9aab32903c01edaeafbf15b0a9f7b9a5305e09d7..b5754d2416383804139f1d12d5ad966ae3a14b54 100755
--- a/tools/cephfs/evict-stale.sh
+++ b/tools/cephfs/evict-stale.sh
@@ -3,11 +3,11 @@
 echo Enabling debug_ms=1 for 10s
 ceph daemon mds.`hostname -s` config set debug_ms 1
 sleep 10
-ceph daemon mds.`hostname -s` config set debug_ms 0/1
+ceph daemon mds.`hostname -s` config unset debug_ms
 
 echo Checking for Stale fh errors... If positive, re-run with --evict option.
 
-STALE=$(grep Stale /var/log/ceph/ceph-mds.*.log | awk '{print $8}' | cut -d: -f1 | sort | uniq | xargs -r -n1 host | awk '{print $5}' | sort)
+STALE=$(grep Stale /var/log/ceph/ceph-mds.*.log | awk '{print $7}' | cut -d: -f1 | sort | uniq | xargs -r -n1 host | awk '{print $5}' | sort)
 
 for s in ${STALE}
 do