diff --git a/article/forms.py b/article/forms.py
index dee1d954..08f243a7 100644
--- a/article/forms.py
+++ b/article/forms.py
@@ -57,7 +57,9 @@ class BlogForm(forms.Form):
             article.author = author
 
         article.type = self.type
-        article.slug = data.get('slug')
+        if not getattr(article, 'slug', None):
+            article.slug = data['slug']                    
+
         if data['logo']:
             article.logo = data['logo']
         article.publish_date = data['publish_date']