diff --git a/config/filter.d/lighttpd-auth.conf b/config/filter.d/lighttpd-auth.conf
index 4e5fc38f..891eafd3 100644
--- a/config/filter.d/lighttpd-auth.conf
+++ b/config/filter.d/lighttpd-auth.conf
@@ -9,7 +9,7 @@
 # Notes.:  regex to match wrong passwords as notified by lighttpd's auth Module
 # Values:  TEXT
 #
-failregex = .*http_auth.*password doesn\'t match.*IP: <HOST>
+failregex = .*http_auth.*password doesn\'t match.*IP: <HOST>$
 
 
 # Option:  ignoreregex
diff --git a/testcases/files/logs/lighttpd b/testcases/files/logs/lighttpd
new file mode 100644
index 00000000..bf5224a1
--- /dev/null
+++ b/testcases/files/logs/lighttpd
@@ -0,0 +1,2 @@
+#authentification failure (mod_auth)
+2011-12-24 18:43:32: (http_auth.c.875) password doesn't match for /gitweb/ username: foobar, IP: 11.11.11.11