diff --git a/hg-fast-export.py b/hg-fast-export.py
index 59d225f..cd2a6a2 100755
--- a/hg-fast-export.py
+++ b/hg-fast-export.py
@@ -145,7 +145,7 @@ def sanitize_name(name,what="branch"):
     return name
 
   n=name
-  p=re.compile('([[ ~^:?*]|\.\.)')
+  p=re.compile('([[ ~^:?\\\\*]|\.\.)')
   n=p.sub('_', n)
   if n[-1] in ('/', '.'): n=n[:-1]+'_'
   n='/'.join(map(dot,n.split('/')))