diff --git a/config/filter.d/apache-overflows.conf b/config/filter.d/apache-overflows.conf
index c615158f..4567f7da 100644
--- a/config/filter.d/apache-overflows.conf
+++ b/config/filter.d/apache-overflows.conf
@@ -11,7 +11,7 @@
 # Notes.:  Regexp to catch Apache overflow attempts.
 # Values:  TEXT
 #
-failregex = [[]client <HOST>[]] (Invalid method in request|request failed: URI too long|erroneous characters after protocol string)
+failregex = [[]client <HOST>[]] (Invalid (method|URI) in request|request failed: URI too long|erroneous characters after protocol string)
 
 # Option:  ignoreregex
 # Notes.:  regex to ignore. If this regex matches, the line is ignored.