diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php b/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php
index a614c3b15..371b45d84 100644
--- a/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php
+++ b/plugins/managesieve/lib/Roundcube/rcube_sieve_script.php
@@ -260,7 +260,8 @@ class rcube_sieve_script
                             $this->add_index($test, $tests[$i], $exts);
                         }
 
-                        if (!empty($test['part'])) {
+                        // :all address-part is optional, skip it
+                        if (!empty($test['part']) && $test['part'] != 'all') {
                             $tests[$i] .= ' :' . $test['part'];
                             if ($test['part'] == 'user' || $test['part'] == 'detail') {
                                 array_push($exts, 'subaddress');
diff --git a/plugins/managesieve/tests/src/parser.out b/plugins/managesieve/tests/src/parser.out
index 366515b06..cb0bad5e7 100644
--- a/plugins/managesieve/tests/src/parser.out
+++ b/plugins/managesieve/tests/src/parser.out
@@ -39,7 +39,7 @@ if true
 }
 fileinto "Test";
 # rule:[address test]
-if address :all :is "From" "nagios@domain.tld"
+if address :is "From" "nagios@domain.tld"
 {
 	fileinto "domain.tld";
 	stop;
diff --git a/plugins/managesieve/tests/src/parser_enotify_b b/plugins/managesieve/tests/src/parser_enotify_b
index 9a17eaf0c..a3011bac2 100644
--- a/plugins/managesieve/tests/src/parser_enotify_b
+++ b/plugins/managesieve/tests/src/parser_enotify_b
@@ -1,6 +1,6 @@
 require ["enotify","envelope","variables"];
 # rule:[from]
-if envelope :all :matches "from" "*"
+if envelope :matches "from" "*"
 {
 	set "env_from" " [really: ${1}]";
 }
@@ -10,7 +10,7 @@ if header :matches "Subject" "*"
 	set "subject" "${1}";
 }
 # rule:[from notify]
-if address :all :matches "from" "*"
+if address :matches "from" "*"
 {
 	set "from_addr" "${1}";
 	notify :message "${from_addr}${env_from}: ${subject}" "mailto:alm@example.com";
diff --git a/plugins/managesieve/tests/src/parser_index b/plugins/managesieve/tests/src/parser_index
index 78aba9a55..ca9f86d56 100644
--- a/plugins/managesieve/tests/src/parser_index
+++ b/plugins/managesieve/tests/src/parser_index
@@ -12,7 +12,7 @@ if header :index 2 :contains ["From","To"] "test@domain.tld"
 	stop;
 }
 # rule:[index-address]
-if address :index 1 :all :is "From" "nagios@domain.tld"
+if address :index 1 :is "From" "nagios@domain.tld"
 {
 	fileinto "domain.tld";
 	stop;
diff --git a/plugins/managesieve/tests/src/parser_notify_b b/plugins/managesieve/tests/src/parser_notify_b
index 9a3ca803c..ab90ed48c 100644
--- a/plugins/managesieve/tests/src/parser_notify_b
+++ b/plugins/managesieve/tests/src/parser_notify_b
@@ -1,6 +1,6 @@
 require ["envelope","notify","variables"];
 # rule:[from]
-if envelope :all :matches "from" "*"
+if envelope :matches "from" "*"
 {
 	set "env_from" " [really: ${1}]";
 }
@@ -10,7 +10,7 @@ if header :matches "Subject" "*"
 	set "subject" "${1}";
 }
 # rule:[from notify]
-if address :all :matches "from" "*"
+if address :matches "from" "*"
 {
 	set "from_addr" "${1}";
 	notify :message "${from_addr}${env_from}: ${subject}" :method "sms:1234567890";