diff --git a/addons/im_livechat/static/src/legacy/public_livechat.js b/addons/im_livechat/static/src/legacy/public_livechat.js
index 67d93ffab48..5a29d6e667f 100644
--- a/addons/im_livechat/static/src/legacy/public_livechat.js
+++ b/addons/im_livechat/static/src/legacy/public_livechat.js
@@ -110,6 +110,13 @@ var LivechatButton = Widget.extend({
         if (this.options.button_text_color) {
             this.$el.css('color', this.options.button_text_color);
         }
+
+        // If website_event_track_online installed, put the livechat banner above the PWA banner.
+        var pwaBannerHeight = $('.o_pwa_install_banner').outerHeight(true);
+        if (pwaBannerHeight) {
+            this.$el.css('bottom', pwaBannerHeight + 'px');
+        }
+
         return this._super();
     },
 
diff --git a/addons/website_event_track_online/static/src/js/website_event_pwa_widget.js b/addons/website_event_track_online/static/src/js/website_event_pwa_widget.js
index 15770c023dd..c50e9955c68 100644
--- a/addons/website_event_track_online/static/src/js/website_event_pwa_widget.js
+++ b/addons/website_event_track_online/static/src/js/website_event_pwa_widget.js
@@ -76,6 +76,7 @@ odoo.define("website_event_track_online.website_event_pwa_widget", function (req
          */
         _hideInstallBanner: function () {
             this.installBanner ? this.installBanner.destroy() : undefined;
+            $('.o_livechat_button').css('bottom', '0');
         },
 
         /**
@@ -102,7 +103,11 @@ odoo.define("website_event_track_online.website_event_pwa_widget", function (req
          */
         _showInstallBanner: function () {
             this.installBanner = new PWAInstallBanner(this);
-            this.installBanner.appendTo(this.$el);
+            this.installBanner.appendTo(this.$el).then(() => {
+                // If Livechat available, It should be placed above the PWA banner.
+                var height = this.$('.o_pwa_install_banner').outerHeight(true);
+                $('.o_livechat_button').css('bottom', height + 'px');
+            });
         },
 
         //--------------------------------------------------------------------------