diff --git a/linux/CHANGELOG b/linux/CHANGELOG
index 4aa498a..815dd50 100644
--- a/linux/CHANGELOG
+++ b/linux/CHANGELOG
@@ -15,6 +15,11 @@ and this project **does not adhere to [Semantic Versioning](http://semver.org/sp
 
 ### Security
 
+## [23.04.01] 2023-04-07
+
+### Fixed
+* IS_POSTFIX_MYDESTINATION: fix regex not working (again).
+
 ## [23.04] 2023-04-07
 
 ### Changed
diff --git a/linux/evocheck.jessie.sh b/linux/evocheck.jessie.sh
index 6fb3d3d..05b5f8d 100755
--- a/linux/evocheck.jessie.sh
+++ b/linux/evocheck.jessie.sh
@@ -4,7 +4,7 @@
 # Script to verify compliance of a Linux (Debian) server
 # powered by Evolix
 
-VERSION="23.04"
+VERSION="23.04.01"
 readonly VERSION
 
 # base functions
diff --git a/linux/evocheck.sh b/linux/evocheck.sh
index d907a54..5244198 100755
--- a/linux/evocheck.sh
+++ b/linux/evocheck.sh
@@ -4,7 +4,7 @@
 # Script to verify compliance of a Linux (Debian) server
 # powered by Evolix
 
-VERSION="23.04"
+VERSION="23.04.01"
 readonly VERSION
 
 # base functions
@@ -151,10 +151,10 @@ check_postfix_mydestination() {
     if ! grep mydestination /etc/postfix/main.cf | grep --quiet -E 'localhost([[:blank:]]|$)'; then
         failed "IS_POSTFIX_MYDESTINATION" "'localhost' s missing in Postfix mydestination option."
     fi
-    if ! grep mydestination /etc/postfix/main.cf | grep --quiet -E 'localhost.localdomain'; then
+    if ! grep mydestination /etc/postfix/main.cf | grep --quiet 'localhost\.localdomain'; then
         failed "IS_POSTFIX_MYDESTINATION" "'localhost.localdomain' is missing in Postfix mydestination option."
     fi
-    if ! grep mydestination /etc/postfix/main.cf | grep --quiet -E 'localhost.$mydomain'; then
+    if ! grep mydestination /etc/postfix/main.cf | grep --quiet 'localhost\.\$mydomain'; then
         failed "IS_POSTFIX_MYDESTINATION" "'localhost.\$mydomain' is missing in Postfix mydestination option."
     fi
 }
diff --git a/linux/evocheck.wheezy.sh b/linux/evocheck.wheezy.sh
index b9ac86e..461540b 100755
--- a/linux/evocheck.wheezy.sh
+++ b/linux/evocheck.wheezy.sh
@@ -4,7 +4,7 @@
 # Script to verify compliance of a Linux (Debian) server
 # powered by Evolix
 
-VERSION="23.04"
+VERSION="23.04.01"
 readonly VERSION
 
 # base functions