diff --git a/addons/project_issue/report/project_issue_report_view.xml b/addons/project_issue/report/project_issue_report_view.xml
index c891b7ea624..d01acd6f558 100644
--- a/addons/project_issue/report/project_issue_report_view.xml
+++ b/addons/project_issue/report/project_issue_report_view.xml
@@ -17,19 +17,18 @@
                     <field name="company_id" invisible="1" groups="base.group_multi_company"/>
                     <field name="section_id" invisible="1"/>
                     <field name="user_id" invisible="1"/>
-                    <field name="categ_ids" invisible="1"/>
                     <field name="channel_id" invisible="1"/>
                     <field name="partner_id" invisible="1"/>
                     <field name="task_id" invisible="1"/>
                     <field name="date_closed" invisible="1"/>
                     <field name="state" invisible="1"/>
                     <field name="day" invisible="1"/>
-                    <field name="nbr" string="#Project Issues" sum='#Number of Project Issues'/>
-                    <field name="delay_open" avg='Avg Opening Delay'/>
-                    <field name="delay_close" avg='Avg Closing Delay'/>
-                    <field name="working_hours_open" avg='Open Working Hours'/>
-                    <field name="working_hours_close" avg='Close Working hours'/>
-                    <field name="email" sum='# Emails'/>
+                    <field name="nbr" string="#Project Issues" sum="#Number of Project Issues"/>
+                    <field name="delay_open" avg="Avg Opening Delay"/>
+                    <field name="delay_close" avg="Avg Closing Delay"/>
+                    <field name="working_hours_open" avg="Open Working Hours"/>
+                    <field name="working_hours_close" avg="Close Working hours"/>
+                    <field name="email" sum="# Emails"/>
                   </tree>
             </field>
         </record>