diff --git a/install-dev/data/db_structure.sql b/install-dev/data/db_structure.sql
index dff571f67..6a5ab3c27 100644
--- a/install-dev/data/db_structure.sql
+++ b/install-dev/data/db_structure.sql
@@ -2035,7 +2035,7 @@ CREATE TABLE `PREFIX_image_shop` (
 	`id_image` INT( 11 ) UNSIGNED NOT NULL,
 	`id_shop` INT( 11 ) UNSIGNED NOT NULL,
 	`cover` tinyint(1) NOT NULL,
-	PRIMARY KEY (`id_image`, `id_shop`, `cover`),
+	KEY (`id_image`, `id_shop`, `cover`),
 	KEY `id_shop` (`id_shop`)
 ) ENGINE=ENGINE_TYPE  DEFAULT CHARSET=utf8;
 
diff --git a/install-dev/fixtures/apple/data/attribute.xml b/install-dev/fixtures/apple/data/attribute.xml
index 57f1343ba..5327dcea3 100644
--- a/install-dev/fixtures/apple/data/attribute.xml
+++ b/install-dev/fixtures/apple/data/attribute.xml
@@ -19,9 +19,9 @@
     <attribute id="80GB_20_000_Songs" id_attribute_group="Disk_space" color=""/>
     <attribute id="160GB_40_000_Songs" id_attribute_group="Disk_space" color=""/>
     <attribute id="Black" id_attribute_group="Color" color="#000000"/>
-    <attribute id="8Go" id_attribute_group="Disk_space" color=""/>
-    <attribute id="16Go" id_attribute_group="Disk_space" color=""/>
-    <attribute id="32Go" id_attribute_group="Disk_space" color=""/>
+    <attribute id="8GB" id_attribute_group="Disk_space" color=""/>
+    <attribute id="16GB" id_attribute_group="Disk_space" color=""/>
+    <attribute id="32GB" id_attribute_group="Disk_space" color=""/>
     <attribute id="Purple" id_attribute_group="Color" color="#7800F0"/>
     <attribute id="Yellow" id_attribute_group="Color" color="#F6EF04"/>
     <attribute id="Red" id_attribute_group="Color" color="#F60409"/>
diff --git a/install-dev/upgrade/sql/1.5.0.18.sql b/install-dev/upgrade/sql/1.5.0.18.sql
index 7df70bf91..b009ab435 100644
--- a/install-dev/upgrade/sql/1.5.0.18.sql
+++ b/install-dev/upgrade/sql/1.5.0.18.sql
@@ -2,4 +2,4 @@ SET NAMES 'utf8';
 
 ALTER TABLE `PREFIX_image_shop` ADD `cover` TINYINT(1) UNSIGNED NOT NULL AFTER `id_shop`;
 ALTER TABLE `PREFIX_image_shop` DROP PRIMARY KEY;
-ALTER TABLE `PREFIX_image_shop` ADD PRIMARY KEY (`id_image`, `id_shop`, `cover`);
+ALTER TABLE `PREFIX_image_shop` ADD  ADD INDEX (`id_image`, `id_shop`, `cover`);