diff --git a/check_nfs_server b/check_nfs_server
index bb45a3ac48ce50adfae5629972a87a396def4904..1975bf1a95a23660c37dcc81a8dbdafef3546a62 100755
--- a/check_nfs_server
+++ b/check_nfs_server
@@ -18,7 +18,7 @@ import os
 import sys
 import re
 
-bad_re = re.compile("NFS server ([^ ]*) not responding")
+bad_re = re.compile("(NFS|nfs:) server (?P<bad>[^ ]*) not responding")
 good_re = re.compile("NFS server ([^ ]*) OK")
 time_re = re.compile("((?P<year>[1-9][0-9]{3})-"
                      "(?P<mon>[0-9]{2})-"
@@ -61,12 +61,12 @@ def checkfile(fn, now):
             continue
 
         t = time.mktime(time.strptime(m.group(1), "%Y-%m-%d %H:%M:%S"))
-        if now - t < 1800:
+        if now - t > 5000:
             continue
 
         bad = bad_re.search(line)
         if bad is not None:
-            res[bad.group(1)] = res.get(bad.group(1), 0) + 1
+            res[bad.group("bad")] = res.get(bad.group(1), 0) + 1
             continue
 
         good = good_re.search(line)