diff --git a/addons/web/static/src/js/data.js b/addons/web/static/src/js/data.js
index a9a06400357..894bb4857b4 100644
--- a/addons/web/static/src/js/data.js
+++ b/addons/web/static/src/js/data.js
@@ -706,9 +706,8 @@ instance.web.DataSet =  instance.web.CallbackEnabled.extend({
      * @param {Function} error_callback
      * @returns {$.Deferred}
      */
-    call_button: function (method, args, callback, error_callback) {
-        return this._model.call_button(method, args)
-            .then(callback, error_callback);
+    call_button: function (method, args) {
+        return this._model.call_button(method, args);
     },
     /**
      * Fetches the "readable name" for records, based on intrinsic rules
@@ -1043,7 +1042,7 @@ instance.web.BufferedDataSet = instance.web.DataSetStatic.extend({
         }
         return completion.promise();
     },
-    call_button: function (method, args, callback, error_callback) {
+    call_button: function (method, args) {
         var id = args[0][0], index;
         for(var i=0, len=this.cache.length; i<len; ++i) {
             var record = this.cache[i];
@@ -1054,7 +1053,7 @@ instance.web.BufferedDataSet = instance.web.DataSetStatic.extend({
                 break;
             }
         }
-        return this._super(method, args, callback, error_callback);
+        return this._super(method, args);
     },
     alter_ids: function(n_ids) {
         this._super(n_ids);
diff --git a/addons/web/static/src/js/views.js b/addons/web/static/src/js/views.js
index 8a7fc52e02a..9e7db823bc0 100644
--- a/addons/web/static/src/js/views.js
+++ b/addons/web/static/src/js/views.js
@@ -1215,11 +1215,11 @@ instance.web.View = instance.web.Widget.extend({
                 }
             }
             args.push(context);
-            return dataset.call_button(action_data.name, args, handler);
+            return dataset.call_button(action_data.name, args).then(handler);
         } else if (action_data.type=="action") {
             return this.rpc('/web/action/load', { action_id: action_data.name, context: context, do_not_eval: true}, handler);
         } else  {
-            return dataset.exec_workflow(record_id, action_data.name).then(handler(r));
+            return dataset.exec_workflow(record_id, action_data.name).then(handler);
         }
     },
     /**