diff --git a/bin/addons/base/ir/ir.xml b/bin/addons/base/ir/ir.xml
index 73432ae5cba..855b7a3ffce 100644
--- a/bin/addons/base/ir/ir.xml
+++ b/bin/addons/base/ir/ir.xml
@@ -18,7 +18,7 @@
                         <field name="model" select="1" required="1"/>
                         <field name="res_id"/>
                         <field name="key2" select="2" required="1"/>
-                        <separator string="Values for Event Type" cospan="2"/>
+                        <separator string="Values for Event Type" colspan="2"/>
                         <label string="client_action_multi, client_action_relate" colspan="2"/>
                         <label string="tree_but_action, client_print_multi"  colspan="2"/>
                     </group>