diff --git a/product/ERP5/PropertySheet/HtmlStylePreference.py b/product/ERP5/PropertySheet/HtmlStylePreference.py
index 3b215d7b8a92548b11a01e50d31a49e838b3d30d..5fe2d02147d39b76ab8f30de692007ac9853e317 100644
--- a/product/ERP5/PropertySheet/HtmlStylePreference.py
+++ b/product/ERP5/PropertySheet/HtmlStylePreference.py
@@ -123,38 +123,38 @@ class HtmlStylePreference:
     { 'id'          : 'preferred_thumbnail_image_height',
       'description' : 'The height for thumbnail image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '128',
+      'default'     : 128,
       'preference'  : 1,
       'mode'        : 'w' },
     { 'id'          : 'preferred_thumbnail_image_width',
       'description' : 'The width for thumbnail image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '128',
+      'default'     : 128,
       'preference'  : 1,
       'mode'        : 'w' },
     { 'id'          : 'preferred_xsmall_image_height',
       'description' : 'The height for thumbnail image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '200',
+      'default'     : 200,
       'preference'  : 1,
       'mode'        : 'w' },
     { 'id'          : 'preferred_xsmall_image_width',
       'description' : 'The width for xsmall image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '200',
+      'default'     : 200,
       'preference'  : 1,
       'mode'        : 'w' },
 
     { 'id'          : 'preferred_small_image_height',
       'description' : 'The height for small image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '320',
+      'default'     : 320,
       'preference'  : 1,
       'mode'        : 'w' },
     { 'id'          : 'preferred_small_image_width',
       'description' : 'The width for small image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '320',
+      'default'     : 320,
       'preference'  : 1,
       'mode'        : 'w' },
 
@@ -167,32 +167,32 @@ class HtmlStylePreference:
     { 'id'          : 'preferred_medium_image_width',
       'description' : 'The width for medium image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '480',
+      'default'     : 480,
       'preference'  : 1,
       'mode'        : 'w' },
 
     { 'id'          : 'preferred_large_image_height',
       'description' : 'The height for large image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '768',
+      'default'     : 768,
       'preference'  : 1,
       'mode'        : 'w' },
     { 'id'          : 'preferred_large_image_width',
       'description' : 'The width for large image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '768',
+      'default'     : 768,
       'preference'  : 1,
       'mode'        : 'w' },
 
     { 'id'          : 'preferred_xlarge_image_height',
       'description' : 'The height for xlarge image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '1024',
+      'default'     : 1024,
       'preference'  : 1,
       'mode'        : 'w' },
     { 'id'          : 'preferred_xlarge_image_width',
       'description' : 'The width for xlarge image.The unit is the pixel',
       'type'        : 'int',
-      'default'     : '1024',
+      'default'     : 1024,
       'preference'  : 1,
       'mode'        : 'w' },)