diff --git a/conference/forms.py b/conference/forms.py
index 12040fc2..897f441b 100644
--- a/conference/forms.py
+++ b/conference/forms.py
@@ -132,7 +132,8 @@ class ConferenceCreateForm(forms.Form):
         else:
             conference = obj
             conference.theme.clear()
-            conference.tag.clear()
+            if data.get('tag'):
+                conference.tag.clear()
 
         #simple fields
         if not getattr(conference, 'url'):
diff --git a/exposition/forms.py b/exposition/forms.py
index 7036432a..8b431736 100644
--- a/exposition/forms.py
+++ b/exposition/forms.py
@@ -161,9 +161,11 @@ class ExpositionCreateForm(forms.Form):
         else:
             exposition = obj
             exposition.theme.clear()
-            exposition.tag.clear()
+
+
             exposition.organiser.clear()
-            #exposition.company.clear()
+            if data.get('tag'):
+                exposition.tag.clear()
 
         #simple fields
         if not getattr(exposition, 'url'):
diff --git a/templates/client/includes/article/news_on_main_logo.html b/templates/client/includes/article/news_on_main_logo.html
index 51e2920d..9ae0fa5e 100644
--- a/templates/client/includes/article/news_on_main_logo.html
+++ b/templates/client/includes/article/news_on_main_logo.html
@@ -2,7 +2,7 @@
 {% load thumbnail %}
 
 {% if obj.logo %}
-    {% thumbnail obj.logo "80x80" format="PNG"  as im %}
+    {% thumbnail obj.logo "70x70" format="PNG"  as im %}
         <img src="{{ im.url }}" width="{{ im.width }}" height="{{ im.height }}" class="pic" alt="">
     {% endthumbnail %}
 {% else %}