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 8999d84bf34..149c54e38c2 100644
--- a/addons/web/static/src/js/views/calendar/calendar_renderer.js
+++ b/addons/web/static/src/js/views/calendar/calendar_renderer.js
@@ -708,24 +708,27 @@ return AbstractRenderer.extend({
      */
     _renderEventPopover: function (eventData, $eventElement) {
         var self = this;
-        $eventElement.popover({
-            animation: false,
-            delay: {
-                show: 50,
-                hide: 100
-            },
-            trigger: 'manual',
-            html: true,
-            title: eventData.record.display_name,
-            template: qweb.render('CalendarView.event.popover.placeholder', {color: this.getColor(eventData.color_index)}),
-            container: eventData.allDay ? '.fc-view' : '.fc-scroller',
-        }).on('shown.bs.popover', function () {
-            var $popover = $($(this).data('bs.popover').tip);
-            $popover.find('.o_cw_popover_close').on('click', self._unselectEvent.bind(self));
-            // Initialize popover widget
-            var calendarPopover = new self.config.CalendarPopover(self, self._getPopoverContext(eventData));
-            calendarPopover.replace($popover.find('.o_cw_body'));
-        }).popover('show');
+
+        // Initialize popover widget
+        var calendarPopover = new self.config.CalendarPopover(self, self._getPopoverContext(eventData));
+        calendarPopover.appendTo($('<div>')).then(() => {
+            $eventElement.popover({
+                animation: false,
+                delay: {
+                    show: 50,
+                    hide: 100
+                },
+                trigger: 'manual',
+                html: true,
+                title: eventData.record.display_name,
+                template: qweb.render('CalendarView.event.popover.placeholder', {color: this.getColor(eventData.color_index)}),
+                container: eventData.allDay ? '.fc-view' : '.fc-scroller',
+            }).on('shown.bs.popover', function () {
+                var $popover = $($(this).data('bs.popover').tip);
+                $popover.find('.o_cw_popover_close').on('click', self._unselectEvent.bind(self));
+                $popover.find('.o_cw_body').replaceWith(calendarPopover.$el);
+            }).popover('show');
+        });
     },
 
     //--------------------------------------------------------------------------
diff --git a/addons/web/static/src/xml/web_calendar.xml b/addons/web/static/src/xml/web_calendar.xml
index fd4f7b3a532..c17d5861f0e 100644
--- a/addons/web/static/src/xml/web_calendar.xml
+++ b/addons/web/static/src/xml/web_calendar.xml
@@ -25,9 +25,6 @@
                 <span class="o_cw_popover_close ml-4"><i class="fa fa-close small"/></span>
             </div>
             <div class="o_cw_body">
-                <div class="py-4 text-center">
-                    <i class="fa fa-spinner fa-spin fa-2x"></i>
-                </div>
             </div>
         </div>
     </t>