diff --git a/modules/addon/schemas/addons.xml b/modules/addon/schemas/addons.xml
index 3f1a86c3b..1c3fca96d 100644
--- a/modules/addon/schemas/addons.xml
+++ b/modules/addon/schemas/addons.xml
@@ -1,5 +1,5 @@
 <table name="addons">
-    <column name="addon" type="varchar" size="250" notnull="notnull" primary_key="primary_key" />
+    <column name="addon" type="varchar" size="80" notnull="notnull" primary_key="primary_key" charset="latin1" />
     <column name="is_used" type="char" size="1" default="Y" notnull="notnull" />
     <column name="is_used_m" type="char" size="1" default="N" notnull="notnull" />
 	<column name="is_fixed" type="char" size="1" default="N" notnull="notnull" />
diff --git a/modules/addon/schemas/addons_site.xml b/modules/addon/schemas/addons_site.xml
index 317629190..fe9718bd7 100644
--- a/modules/addon/schemas/addons_site.xml
+++ b/modules/addon/schemas/addons_site.xml
@@ -1,6 +1,6 @@
 <table name="addons_site">
     <column name="site_srl" type="number" size="11" notnull="notnull" default="0" unique="unique_addon_site" />
-    <column name="addon" type="varchar" size="250" notnull="notnull" unique="unique_addon_site" />
+    <column name="addon" type="varchar" size="80" notnull="notnull" unique="unique_addon_site" charset="latin1" />
     <column name="is_used" type="char" size="1" default="Y" notnull="notnull" />
     <column name="is_used_m" type="char" size="1" default="N" notnull="notnull" />
     <column name="extra_vars" type="text" />