diff --git a/retailcrm/lib/RetailcrmCustomerAddressBuilder.php b/retailcrm/lib/RetailcrmCustomerAddressBuilder.php
index c49a15d..d2433da 100644
--- a/retailcrm/lib/RetailcrmCustomerAddressBuilder.php
+++ b/retailcrm/lib/RetailcrmCustomerAddressBuilder.php
@@ -191,11 +191,11 @@ class RetailcrmCustomerAddressBuilder extends RetailcrmAbstractBuilder implement
 
         $this->buildAddressLine();
 
-        if (isset($this->dataCrm['notes'])) {
+        if (array_key_exists('notes', $this->dataCrm)) {
             $this->setAddressField('other', $this->dataCrm['notes'], '');
         }
 
-        if (isset($this->dataCrm['countryIso'])) {
+        if (array_key_exists('countryIso', $this->dataCrm)) {
             $countryIso = null;
             if (Validate::isLanguageIsoCode($this->dataCrm['countryIso'])) {
                 $countryIso = Country::getByIso($this->dataCrm['countryIso']);
@@ -204,13 +204,13 @@ class RetailcrmCustomerAddressBuilder extends RetailcrmAbstractBuilder implement
             $this->setAddressField('id_country', $countryIso, Configuration::get('PS_COUNTRY_DEFAULT'));
         }
 
-        if (isset($this->dataCrm['city'])) {
+        if (array_key_exists('city', $this->dataCrm)) {
             $this->setAddressField('city', $this->dataCrm['city'], '--');
         }
-        if (isset($this->dataCrm['index'])) {
+        if (array_key_exists('index', $this->dataCrm)) {
             $this->setAddressField('postcode', $this->dataCrm['index'], '');
         }
-        if (isset($this->dataCrm['region'])) {
+        if (array_key_exists('region', $this->dataCrm)) {
             $this->setAddressField('id_state', (int) State::getIdByName($this->dataCrm['region']));
         }
 
@@ -242,10 +242,12 @@ class RetailcrmCustomerAddressBuilder extends RetailcrmAbstractBuilder implement
     {
         if (isset($this->dataCrm['text'])) {
             $text = $this->dataCrm['text'];
+
             if (isset($this->dataCrm['notes'])) {
                 $text = str_replace($this->dataCrm['notes'], '', $text);
             }
 
+            $text = rtrim($text, ', ');
             $addressLine = explode(RetailcrmAddressBuilder::ADDRESS_LINE_DIVIDER, $text, 2);
 
             $this->setAddressField('address1', $addressLine[0], '--');
diff --git a/retailcrm/lib/RetailcrmTools.php b/retailcrm/lib/RetailcrmTools.php
index b82cbb2..55da876 100644
--- a/retailcrm/lib/RetailcrmTools.php
+++ b/retailcrm/lib/RetailcrmTools.php
@@ -772,15 +772,14 @@ class RetailcrmTools
     /**
      * Returns true if mapped fields in address are equal. Returns false otherwise.
      *
-     * @param \Address $first
-     * @param \Address $second
+     * @param \Address $address1
+     * @param \Address $address2
      *
      * @return bool
      */
-    protected static function isAddressesEqualByFields($first, $second)
+    protected static function isAddressesEqualByFields($address1, $address2)
     {
-        $checkMapping = [
-            'alias',
+        $fieldsToCompare = [
             'id_country',
             'lastname',
             'firstname',
@@ -795,16 +794,26 @@ class RetailcrmTools
             'vat_number',
         ];
 
-        foreach ($checkMapping as $field) {
-            if ($first->$field != $second->$field) {
+        try {
+            // getting fields in the same format (normalized)
+            $address1Fields = $address1->getFields();
+            $address2Fields = $address2->getFields();
+        } catch (PrestaShopException $e) {
+            RetailcrmLogger::writeDebug(__METHOD__, $e->getMessage());
+
+            return false;
+        }
+
+        foreach ($fieldsToCompare as $field) {
+            if ($address1Fields[$field] !== $address2Fields[$field]) {
                 RetailcrmLogger::writeDebug(__METHOD__, json_encode([
                     'first' => [
-                        'id' => $first->id,
-                        $field => $first->$field,
+                        'id' => $address1->id,
+                        $field => $address1Fields[$field],
                     ],
                     'second' => [
-                        'id' => $second->id,
-                        $field => $second->$field,
+                        'id' => $address2->id,
+                        $field => $address2Fields[$field],
                     ],
                 ]));
 
diff --git a/retailcrm/retailcrm.php b/retailcrm/retailcrm.php
index d1c2f63..fcf3922 100644
--- a/retailcrm/retailcrm.php
+++ b/retailcrm/retailcrm.php
@@ -661,7 +661,7 @@ class RetailCRM extends Module
             $zipname = _PS_DOWNLOAD_DIR_ . '/retailcrm_logs_' . date('Y-m-d H-i-s') . '.zip';
 
             $zipFile = new ZipArchive();
-            $zipFile->open($zipname, ZIPARCHIVE::CREATE);
+            $zipFile->open($zipname, ZipArchive::CREATE);
 
             foreach (RetailcrmLogger::getLogFilesInfo() as $logFile) {
                 $zipFile->addFile($logFile['path'], $logFile['name']);