diff --git a/addons/point_of_sale/point_of_sale_view.xml b/addons/point_of_sale/point_of_sale_view.xml
index 82a560c3460..50bdb46216d 100644
--- a/addons/point_of_sale/point_of_sale_view.xml
+++ b/addons/point_of_sale/point_of_sale_view.xml
@@ -882,8 +882,8 @@
                         <field name="user_id" />
                         <field name="name" />
                         <newline/>
-                        <field name="start_at" />
-                        <field name="stop_at" />
+                        <field name="start_at" attrs="{'insivible' : [('state', '=', 'opening_control')]}"/>
+                        <field name="stop_at" attrs="{'insivible' : [('state', '=', 'opening_control')]}"/>
                         <separator string="Cash Control" colspan="4"/>
                             <field name="cash_register_id" invisible="1" />
                             <field name="opening_details_ids" colspan="4" nolabel="1" attrs="{'invisible' : [('state', 'not in', ('opening_control',))]}">
@@ -918,8 +918,9 @@
                                     <field name="cash_register_difference" />
                                 </group>
                             </group>
-                            <separator string="Summary by Payment Methods" colspan="4"/>
-                            <field name="statement_ids" colspan="4" nolabel="1">
+
+                            <separator string="Summary by Payment Methods" colspan="4" attrs="{'invisible' : [('state', '=', 'opening_control')]}"/>
+                            <field name="statement_ids" colspan="4" nolabel="1" attrs="{'invisible' : [('state', '=', 'opening_control')]}">
                                 <tree string="Statements">
                                     <field name="name" />
                                     <field name="journal_id" />
diff --git a/addons/point_of_sale/wizard/pos_session_opening.xml b/addons/point_of_sale/wizard/pos_session_opening.xml
index a863f6d497e..24d4a8c15c0 100644
--- a/addons/point_of_sale/wizard/pos_session_opening.xml
+++ b/addons/point_of_sale/wizard/pos_session_opening.xml
@@ -9,13 +9,13 @@
                     <separator string="Select your Point of Sale" colspan="4" />
                     <field name="pos_config_id" on_change="on_change_config(pos_config_id)" widget="selection" domain="[('state','=','active')]"/>
                     <field name="pos_session_id" invisible="1"/>
-		    <group colspan="4">
+        		    <group colspan="4">
                         <button special="cancel" icon="gtk-cancel" string="Cancel" />
                         <button name="open_existing_session_cb" type="object" string="Open Session" icon="gtk-ok" 
                             attrs="{'invisible' : [('pos_session_id', '=', False)]}" 
                         />
                         <button name="open_session_cb" type="object" string="New Session" icon="gtk-ok" 
-                            attrs="{'invisible' : [('pos_session_id', '&lt;&gt;', False)]}"
+                            attrs="{'invisible' : [('pos_session_id', '!=', False)]}"
                         />
                     </group>
                 </form>