diff --git a/bin/addons/base/module/module.py b/bin/addons/base/module/module.py
index 5bc12432d4e..e29e95bf68f 100644
--- a/bin/addons/base/module/module.py
+++ b/bin/addons/base/module/module.py
@@ -316,7 +316,7 @@ class module(osv.osv):
             'shortdesc': terp.get('name', ''),
             'author': terp.get('author', 'Unknown'),
             'maintainer': terp.get('maintainer', False),
-            'contributors': ', '.join(terp.get('contributors', [])),
+            'contributors': ', '.join(terp.get('contributors', [])) or False,
             'website': terp.get('website', ''),
             'license': terp.get('license', 'GPL-2'),
             'certificate': terp.get('certificate') or None,
diff --git a/bin/addons/base/module/module_view.xml b/bin/addons/base/module/module_view.xml
index 5a64360b01d..63484b97d43 100644
--- a/bin/addons/base/module/module_view.xml
+++ b/bin/addons/base/module/module_view.xml
@@ -95,16 +95,12 @@
                             <field colspan="4" name="description" select="2"/>
                             <field name="installed_version"/>
                             <field name="latest_version"/>
-                            <group colspan='2' col='2'>
-                                <field name="author" select="2"/>
-                                <field name='maintainer'/>
-                                <field name='contributors'/>
-                            </group>
-                            <group colspan='2' col='2'>
-                                <field name="website" select="2" widget="url"/>
-                                <field name="url" widget="url"/>
-                                <field name="published_version"/>
-                            </group>
+                            <field name="author" select="2"/>
+                            <field name="website" select="2" widget="url"/>
+                            <field name="maintainer" attrs="{'invisible': [('maintainer', '=', False)]}"/>
+                            <field name="url" widget="url"/>
+                            <field name="contributors" widget="char" attrs="{'invisible': [('contributors', '=', False)]}"/>
+                            <field name="published_version"/>
                             <field name="license"/>
                             <field name="demo" readonly="1"/>
                             <newline/>