diff --git a/tools/server-side/svn-backup-dumps.py b/tools/server-side/svn-backup-dumps.py
index e7a1a26dec..0a9ffff436 100755
--- a/tools/server-side/svn-backup-dumps.py
+++ b/tools/server-side/svn-backup-dumps.py
@@ -149,7 +149,7 @@
 #  - improve documentation
 #
 
-__version = "0.6"
+__version = "0.7"
 
 import sys
 import os
@@ -452,7 +452,7 @@ class SvnBackup:
         return -1
 
     def get_last_dumped_rev(self):
-        filename_regex = re.compile("(.+)\.\d+-(\d+)\.svndmp.*")
+        filename_regex = re.compile(r"(.+)\.\d+-(\d+)\.svndmp.*")
         # start with -1 so the next one will be rev 0
         highest_rev = -1