diff --git a/check_ceph_io b/check_ceph_io
index e591b4f35a45d5986ef4432ff9bbd1661d1e9846..6bfa6d0a067faeb684f2fb28b00f6cbeb79a4b20 100755
--- a/check_ceph_io
+++ b/check_ceph_io
@@ -67,8 +67,8 @@ if [ -z "${CEPHIO}" ]; then
         echo "No ceph here or no sudo permissions on ceph command?"
 else
 
-        IO_READ=$(  echo ${CEPHIO} | cut -f 1,2 -d " " | sed -E "s#([0-9]*) (.).*#\1\2#g")
-        IO_WRITE=$( echo ${CEPHIO} | cut -f 4,5 -d " " | sed -E "s#([0-9]*) (.).*#\1\2#g")
+        IO_READ=$(  echo ${CEPHIO} | cut -f 1,2 -d " " | sed -E "s#([0-9]*) (.).(.).*#\1\2\3#g")
+        IO_WRITE=$( echo ${CEPHIO} | cut -f 4,5 -d " " | sed -E "s#([0-9]*) (.).(.).*#\1\2\3#g")
         ph.status "$CEPHIO"
 
         # echo "read: $IO_READ"