diff --git a/script/monitor/generic/ZFS_SYNC_CHECK.sh b/script/monitor/generic/ZFS_SYNC_CHECK.sh
index 2f2a33c..6c84aad 100755
--- a/script/monitor/generic/ZFS_SYNC_CHECK.sh
+++ b/script/monitor/generic/ZFS_SYNC_CHECK.sh
@@ -75,8 +75,8 @@ function checkSync() {
     for _COMPOSITION_PATH in ${_COMPOSITIONS}*; do
 
         # If remote host is found than it is responsible for this container-composition, otherwise skip
-        #   (grep -E "^something" means. Line has to start with "something".)
-        grep -E "^${_REMOTE_HOSTNAME_SHORT}" "${_COMPOSITION_PATH}/zfssync-hosts" &> /dev/null \
+        #   (grep -E "^[[:blank:]]*something" means. Line has to start with "something", leading blank chars are ok.)
+        grep -E "^[[:blank:]]*${_REMOTE_HOSTNAME_SHORT}" "${_COMPOSITION_PATH}/zfssync-hosts" &> /dev/null \
             || continue;
 
         _COMPOSITION_NAME="${_COMPOSITION_PATH##*/}"   #Removes longest  matching pattern '*/' from the begin