diff --git a/files/usr/local/bin/mkbackup-btrfs b/files/usr/local/bin/mkbackup-btrfs
index 06b57e2..4dfbe0e 100755
--- a/files/usr/local/bin/mkbackup-btrfs
+++ b/files/usr/local/bin/mkbackup-btrfs
@@ -131,15 +131,15 @@ def check_lockfile(args,lf):
             file.close()
             #if len(pid) > 0 and Myos().path_isfile('/proc/'+pid+'/cmdline',args.config.ssh[args.tag][st]):
             if len(pid) > 0 and os.path.isfile('/proc/'+pid+'/cmdline'):
-                logger.warn('lockfile %s in use with process %s' % (lf,pid))
+                logger.warning('lockfile %s in use with process %s' % (lf,pid))
                 #DEBUG('lockfile %s in use with process %s' % (lf,pid),level=3,verbose=args.verbose)
                 return(True)
             else:
-                logger.warn('lockfile %s unused' % (lf))
+                logger.warning('lockfile %s unused' % (lf))
                 #DEBUG('lockfile %s unused' % (lf),level=3,verbose=args.verbose)
                 return(False)
         else:
-            logger.warn('lockfile %s not existing' % (lf))
+            logger.warning('lockfile %s not existing' % (lf))
             #DEBUG('lockfile %s not existing' % (lf),level=3,verbose=args.verbose)
             return(None)
 
@@ -222,7 +222,7 @@ class BtrfsListing:
         self.scanfs()
 
     def scanfs(self):
-        logger.warn('SCAN btrfs-drive: %s' % (self.StorePath))
+        logger.warning('SCAN btrfs-drive: %s' % (self.StorePath))
         if self.single:
             cmd=['btrfs','subvolume','list','-R','-u','-q','-c','-o',self.StorePath]
         else:
@@ -233,9 +233,9 @@ class BtrfsListing:
             for line in output.splitlines():
                 # btrfs-subvolume list 4.13 output field separator is not anymore only one space. uuid-fields are filled up with whitespaces, so split(' ') does not work anymore!!!
                 #argmts = line.split(' ')
-                argmts = line.split(' ')
+                argmts = line.split()
                 #ID 2412 gen 8547 cgen 8547 top level 2393 parent_uuid 7991115b-8a6b-6d4d-b664-03db01e902d0 received_uuid - uuid 368490e7-5aca-0d4d-9b7a-becff0487ebd path aldebaran/__ALWAYSCURRENT__.2016-10-15_22:40:25.hourly.part/var-spool-dovecot
-                self.svols[argmts[1]] = dict() 
+                self.svols[argmts[1]] = dict()
                 self.svols[argmts[1]]['id']    = argmts[1]
                 self.svols[argmts[1]]['gen']   = argmts[3]
                 self.svols[argmts[1]]['cgen']  = argmts[5]
@@ -244,6 +244,7 @@ class BtrfsListing:
                 self.svols[argmts[1]]['ruuid'] = argmts[12]
                 self.svols[argmts[1]]['uuid']  = argmts[14]
                 self.svols[argmts[1]]['path']  = ' '.join(argmts[16:])
+
         except:
             print("Subvolume not found: %s" %(self.StorePath))
 
@@ -263,7 +264,7 @@ class BtrfsListing:
             for sub in sorted(self.svols.keys(),key=int):
                 if self.svols[sub]['path'] == snap: stroot = self.svols[sub]['uuid']
                 ext = " (gen: "+str(self.svols[sub]['gen'])+" cgen: "+str(self.svols[sub]['gen'])+")"
-                try:                                       
+                try:
                     vars()[str(self.svols[sub]['uuid'])] = Node(str(self.svols[sub]['path'])+ext,parent=vars()[self.svols[sub]['puuid']])
                 except:
                     vars()[str(self.svols[sub]['uuid'])] = Node(str(self.svols[sub]['path'])+ext,parent=wood)
@@ -480,13 +481,13 @@ class SubVolume(SubVolumeInfo):
         self.SnapLock     = self.SnapName+'.part'
         self.SLockFile    = '.'+self.SnapName+'.~lock'
         self.SnapID       = None
-        logger.warn('OrigName  : %s' % (self.OrigName))
-        logger.warn('SourceName: %s' % (self.SourceName))
-        logger.warn('OrigLock  : %s' % (self.OrigLock))
-        logger.warn('OLockFile : %s' % (self.OLockFile))
-        logger.warn('SnapName  : %s' % (self.SnapName))
-        logger.warn('SnapLock  : %s' % (self.SnapLock))
-        logger.warn('SLockFile : %s' % (self.SLockFile))
+        logger.warning('OrigName  : %s' % (self.OrigName))
+        logger.warning('SourceName: %s' % (self.SourceName))
+        logger.warning('OrigLock  : %s' % (self.OrigLock))
+        logger.warning('OLockFile : %s' % (self.OLockFile))
+        logger.warning('SnapName  : %s' % (self.SnapName))
+        logger.warning('SnapLock  : %s' % (self.SnapLock))
+        logger.warning('SLockFile : %s' % (self.SLockFile))
 
         self.parent       = ''
         self.subvolsshort = []
@@ -1957,7 +1958,7 @@ if __name__ == '__main__':
                 for st in args.store:
                     args.sourcepath[st] = args.config.getStorePath(st,args.tag)
                     args.destpath[st]   = args.config.getStorePath(st,args.tag)
-        logger.warn('''Action is %s
+        logger.warning('''Action is %s
         Source is %s
         Destination is %s''' % (args.action,args.sourcepath,args.destpath))
     else: