diff --git a/ChangeLog b/ChangeLog
index 06775a6b..fc046c95 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -35,6 +35,7 @@ ver. 0.10.4-dev-1 (20??/??/??) - development edition
 -----------
 
 ### Fixes
+* `filter.d/dovecot.conf`: failregex enhancement to catch sql password mismatch errors (gh-2153);
 * `action.d/hostsdeny.conf`: fix parameter in config (dynamic parameters stating with '_' are protected 
   and don't allowed in command-actions), see gh-2114;
 
diff --git a/config/filter.d/dovecot.conf b/config/filter.d/dovecot.conf
index 2019a160..cfb38ea4 100644
--- a/config/filter.d/dovecot.conf
+++ b/config/filter.d/dovecot.conf
@@ -15,7 +15,7 @@ prefregex = ^%(__prefix_line)s(?:%(_auth_worker)s(?:\([^\)]+\))?: )?(?:%(__pam_a
 failregex = ^authentication failure; logname=\S* uid=\S* euid=\S* tty=dovecot ruser=\S* rhost=<HOST>(?:\s+user=\S*)?\s*$
             ^(?:Aborted login|Disconnected)(?::(?: [^ \(]+)+)? \((?:auth failed, \d+ attempts(?: in \d+ secs)?|tried to use (?:disabled|disallowed) \S+ auth)\):(?: user=<[^>]*>,)?(?: method=\S+,)? rip=<HOST>(?:[^>]*(?:, session=<\S+>)?)\s*$
             ^pam\(\S+,<HOST>(?:,\S*)?\): pam_authenticate\(\) failed: (?:User not known to the underlying authentication module: \d+ Time\(s\)|Authentication failure \(password mismatch\?\)|Permission denied)\s*$
-            ^[a-z\-]{3,15}\(\S*,<HOST>(?:,\S*)?\): (?:unknown user|invalid credentials)\s*$
+            ^[a-z\-]{3,15}\(\S*,<HOST>(?:,\S*)?\): (?:unknown user|invalid credentials|Password mismatch)\s*$
             <mdre-<mode>>
 
 mdre-aggressive = ^(?:Aborted login|Disconnected)(?::(?: [^ \(]+)+)? \((?:no auth attempts|disconnected before auth was ready,|client didn't finish \S+ auth,)(?: (?:in|waited) \d+ secs)?\):(?: user=<[^>]*>,)?(?: method=\S+,)? rip=<HOST>(?:[^>]*(?:, session=<\S+>)?)\s*$