diff --git a/patches/march_2013/p03_rename_blog_to_blog_post.py b/patches/march_2013/p03_rename_blog_to_blog_post.py
index 7520f9c..69902f34 100644
--- a/patches/march_2013/p03_rename_blog_to_blog_post.py
+++ b/patches/march_2013/p03_rename_blog_to_blog_post.py
@@ -6,4 +6,4 @@
 	webnotes.reload_doc('website', 'doctype', 'blog_post')
 	webnotes.conn.sql('''update tabBlogger set posts=(select count(*) 
 		from `tabBlog Post` where ifnull(blogger,"")=tabBlogger.name)''')
-	webnotes.conn.sql("""update `tabBlog Post` set published_on=creation""")
+	webnotes.conn.sql("""update `tabBlog Post` set published_on=date(creation)""")