diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d499a2..7dd52cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1 +1,6 @@
 # PIMGento API change Log
+
+### 100.1.1 :
+Fix price set to 0 if attribute price is empty
+
+Fix media import with wrong entity_type_id
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4873ee1..755834a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,5 +16,5 @@ Contributing policy
 
 **You can not commit directly on this repository.**
 
-Fork the project, create a feature branch, and send a pull request.
+Fork the project, create a feature branch, and send a pull request on the develop branch.
 
diff --git a/app/code/community/Pimgento/Api/Helper/Product.php b/app/code/community/Pimgento/Api/Helper/Product.php
old mode 100644
new mode 100755
index 39b997c..35a41e9
--- a/app/code/community/Pimgento/Api/Helper/Product.php
+++ b/app/code/community/Pimgento/Api/Helper/Product.php
@@ -203,6 +203,8 @@ private function formatAssociations(stdClass $associations, array $values)
      */
     private function getKey($attribute, array $specifics)
     {
+        /** @var string $attribute */
+        $attribute = strtolower($attribute);
         if (isset($specifics['locale']) && isset($specifics['scope'])) {
             return sprintf('%s-%s-%s', $attribute, $specifics['locale'], $specifics['scope']);
         }
diff --git a/app/code/community/Pimgento/Api/Model/Job/Attribute.php b/app/code/community/Pimgento/Api/Model/Job/Attribute.php
old mode 100644
new mode 100755
index f8a1bfd..0ceccb0
--- a/app/code/community/Pimgento/Api/Model/Job/Attribute.php
+++ b/app/code/community/Pimgento/Api/Model/Job/Attribute.php
@@ -97,7 +97,7 @@ public function insertData($task)
          */
         foreach ($attributes as $index => $attribute) {
             /** @var string $attributeCode */
-            $attributeCode = $attribute['code'];
+            $attributeCode = strtolower($attribute['code']);
             /** @var int $id */
             if ($attributeHelper->isAttributeCodeReserved($attributeCode)) {
                 if (!$isPrefixEnabled) {
@@ -107,9 +107,9 @@ public function insertData($task)
 
                     continue;
                 }
-
-                $attribute['code'] = Pimgento_Api_Helper_Attribute::RESERVED_ATTRIBUTE_CODE_PREFIX . $attributeCode;
+                $attributeCode = Pimgento_Api_Helper_Attribute::RESERVED_ATTRIBUTE_CODE_PREFIX . $attributeCode;
             }
+            $attribute['code'] = $attributeCode;
             /** @var string[] $columns */
             $columns = $entitiesHelper->getColumnsFromResult($attribute);
             /** @var bool $result */