diff --git a/addons/project/project_view.xml b/addons/project/project_view.xml
index a65db02d0d6..e25fdc4f969 100644
--- a/addons/project/project_view.xml
+++ b/addons/project/project_view.xml
@@ -23,7 +23,7 @@
                     <button name="set_done" string="Done" type="object" states="open,pending" class="oe_form_button_active_flow"/>
                     <button name="set_open" string="Re-open project" type="object" states="pending" class="oe_form_button_active_flow"/>
                     <button name="set_open" string="Re-open project" type="object" states="cancelled,close" class="oe_form_button_return_flow"/>
-                    <button name="set_pending" string="Pending" type="object" states="open" class="oe_form_button_active_flow"/>
+                    <button name="set_pending" string="Pending" type="object" states="open" class="oe_form_button_return_flow"/>
                     <button name="set_template" string="Set as Template" type="object" states="open"/>
                     <button string="New Project Based on Template" name="duplicate_template"  type="object" states="template" context="{'parent_id':parent_id}" class="oe_form_button_active_flow"/>
                     <button name="reset_project" string="Reset as Project" type="object" states="template" class="oe_form_button_active_flow"/>
@@ -331,7 +331,7 @@
                         <button name="%(action_project_task_reevaluate)d" string="Reactivate" type="action"
                                 states="done,cancelled" context="{'button_reactivate':True}" class="oe_form_button_active_flow"/>
                         <button name="do_pending" string="Pending" type="object"
-                                states="open" class="oe_form_button_active_flow"/>
+                                states="open" class="oe_form_button_return_flow"/>
                         <button name="action_close" string="Done" type="object"
                                 states="draft,open,pending" class="oe_form_button_active_flow"/>
                         <button name="do_draft" string="Draft" type="object"