diff --git a/addon.xml b/addon.xml
index 150d863..8e5a202 100644
--- a/addon.xml
+++ b/addon.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <addon id="script.xbmcbackup"
-    name="Backup" version="1.0.3" provider-name="robweber">
+    name="Backup" version="1.0.5" provider-name="robweber">
   <requires>
     <import addon="xbmc.python" version="2.19.0"/>
     <import addon="script.module.httplib2" version="0.8.0" optional="true"/>
diff --git a/changelog.txt b/changelog.txt
index e460b78..a6e8e2e 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,11 @@
+Version 1.0.5
+
+make compression setting compatible with python 2.6 and above
+
+Version 1.0.4
+
+exit if we can't delete the old archive, non recoverable
+
 Version 1.0.3
 
 added "delete auth" dialog to delete oauth files in settings
diff --git a/resources/language/English/strings.xml b/resources/language/English/strings.xml
index 6d9b291..1e72c8e 100644
--- a/resources/language/English/strings.xml
+++ b/resources/language/English/strings.xml
@@ -87,5 +87,6 @@
 	<string id="30093">Delete Authorization Info</string>
 	<string id="30094">This will delete any OAuth token files</string>
 	<string id="30095">Do you want to do this?</string>
-    <string id="30096">Google Drive</string>
+	<string id="30096">Old Zip Archive could not be deleted</string>
+	<string id="30097">This needs to happen before a backup can run</string>
 </strings>
diff --git a/resources/lib/backup.py b/resources/lib/backup.py
index 8030da9..f30a449 100644
--- a/resources/lib/backup.py
+++ b/resources/lib/backup.py
@@ -121,7 +121,10 @@ class XbmcBackup:
             if(utils.getSetting("compress_backups") == 'true'):
                 #delete old temp file
                 if(self.xbmc_vfs.exists(xbmc.translatePath('special://temp/xbmc_backup_temp.zip'))):
-                    self.xbmc_vfs.rmfile(xbmc.translatePath('special://temp/xbmc_backup_temp.zip'))
+                    if(not self.xbmc_vfs.rmfile(xbmc.translatePath('special://temp/xbmc_backup_temp.zip'))):
+                        #we had some kind of error deleting the old file
+                        xbmcgui.Dialog().ok(utils.getString(30010),utils.getString(30096),utils.getString(30097))
+                        return
                     
                 #save the remote file system and use the zip vfs
                 self.saved_remote_vfs = self.remote_vfs
diff --git a/resources/lib/vfs.py b/resources/lib/vfs.py
index 505d6bc..e21bf18 100644
--- a/resources/lib/vfs.py
+++ b/resources/lib/vfs.py
@@ -81,7 +81,7 @@ class ZipFileSystem(Vfs):
     
     def __init__(self,rootString,mode):
         self.root_path = ""
-        self.zip = zipfile.ZipFile(rootString,mode=mode,allowZip64=True)
+        self.zip = zipfile.ZipFile(rootString,mode=mode,compression=zipfile.ZIP_DEFLATED,allowZip64=True)
         
     def listdir(self,directory):
         return [[],[]]
@@ -94,7 +94,7 @@ class ZipFileSystem(Vfs):
         
         aFile = xbmcvfs.File(xbmc.translatePath(source),'r')
         
-        self.zip.writestr(utils.encode(dest),aFile.read(),compress_type=zipfile.ZIP_DEFLATED)
+        self.zip.writestr(utils.encode(dest),aFile.read())
         
         return True