diff --git a/addons/web/static/src/js/views/calendar/calendar_renderer.js b/addons/web/static/src/js/views/calendar/calendar_renderer.js
index 23bb6885c28..fed9a705d11 100644
--- a/addons/web/static/src/js/views/calendar/calendar_renderer.js
+++ b/addons/web/static/src/js/views/calendar/calendar_renderer.js
@@ -524,7 +524,7 @@ return AbstractRenderer.extend({
                 return 'popover';
             },
             windowResize: function () {
-                self._render();
+                self._onWindowResize();
             },
             views: {
                 timeGridDay: {
@@ -981,6 +981,16 @@ return AbstractRenderer.extend({
             this._unselectEvent();
         }
     },
+    /**
+     * Handler for resize event.
+     * As the result it will resize the calendar to fit the window space.
+     *
+     * @private
+     */
+    _onWindowResize: function () {
+        this.$el.height($(window).height() - this.$el.offset().top);
+        this.calendar.updateSize();
+    },
     /**
      * @private
      * @param {OdooEvent} event