diff --git a/application/Espo/Tools/Import/Import.php b/application/Espo/Tools/Import/Import.php
index 9a62d8d975..ff121b0a27 100644
--- a/application/Espo/Tools/Import/Import.php
+++ b/application/Espo/Tools/Import/Import.php
@@ -753,7 +753,7 @@ class Import
                 }
             }
 
-            if ($value === '' && $attributeType !== Entity::BOOL) {
+            if ($value === '' && $attributeType !== Entity::BOOL && $entity->isNew()) {
                 return;
             }
 
@@ -793,10 +793,14 @@ class Import
 
         $type = $entity->getAttributeType($attribute);
 
-        if ($type !== Entity::BOOL && strtolower($value) === 'null') {
+        if ($type !== Entity::BOOL && $value === '') {
             return null;
         }
 
+        /*if ($type !== Entity::BOOL && strtolower($value) === 'null') {
+            return null;
+        }*/
+
         $fieldDefs = $this->entityManager
             ->getDefs()
             ->getEntity($entity->getEntityType())