diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 506e0f199fe..850a334c40b 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -3119,8 +3119,10 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
         if (!this.get("effective_readonly")) {
             this.$input.val(str.split("\n")[0]);
             this.current_display = this.$input.val();
-            if(this.is_false()){
+            if (this.is_false()) {
                 this.$('.oe_m2o_cm_button').css({'display':'none'});
+            } else {
+                this.$('.oe_m2o_cm_button').css({'display':'inline'});
             }
         } else {
             var lines = _.escape(str).split("\n");