diff --git a/config/filter.d/3proxy.conf b/config/filter.d/3proxy.conf
index f68ad44e..be3a68d0 100644
--- a/config/filter.d/3proxy.conf
+++ b/config/filter.d/3proxy.conf
@@ -8,10 +8,10 @@
 [Definition]
 
 # Option:  failregex
-# Notes.:  http://www.3proxy.ru/howtoe.asp#ERRORS that 1-9 are all authentication problems
+# Notes.:  http://www.3proxy.ru/howtoe.asp#ERRORS that 1-9 are all authentication problems (%E field)
 #          Log format is: "L%d-%m-%Y %H:%M:%S %z %N.%p %E %U %C:%c %R:%r %O %I %h %T"
 # Values:  TEXT
 #
-failregex = \S+\s0000[1-9]\s\S+\s<HOST>:[0-9]+\S+[0-9]+\s[0-9]+\s.*$
+failregex = \s[+-][0-9]{4} \S+ 0000[1-9] \S+ <HOST>:[0-9]+ [0-9.]+:[0-9]+ [0-9]+ .*$
 
 ignoreregex =