diff --git a/config/filter.d/xrdp.conf b/config/filter.d/xrdp.conf
index 6937acb8..803219f6 100644
--- a/config/filter.d/xrdp.conf
+++ b/config/filter.d/xrdp.conf
@@ -31,5 +31,5 @@ failregex = ^%(__prefix_line)s%(authfail_re)s$
 
 ignoreregex =
 
-datepattern = ^\[?%%ExY%%Exm%%Exd[-|T]%%ExH:?%%ExM:?%%ExS(?:[.,]%%f)?(?:\s*%%z)?\]?
+datepattern = ^\[?%%ExY%%Exm%%Exd-%%ExH:%%ExM:%%ExS\]?
               ^{DATE}