diff --git a/addons/web/static/src/js/chrome/abstract_web_client.js b/addons/web/static/src/js/chrome/abstract_web_client.js
index 6b7df97b767..5adaaa36783 100644
--- a/addons/web/static/src/js/chrome/abstract_web_client.js
+++ b/addons/web/static/src/js/chrome/abstract_web_client.js
@@ -202,46 +202,6 @@ var AbstractWebClient = Widget.extend(ServiceProviderMixin, KeyboardNavigationMi
         });
         core.bus.on('connection_lost', this, this._onConnectionLost);
         core.bus.on('connection_restored', this, this._onConnectionRestored);
-
-        // crash manager integration
-        core.bus.on('rpc_error', crash_manager, crash_manager.rpc_error);
-        window.onerror = function (message, file, line, col, error) {
-            // Scripts injected in DOM (eg: google API's js files) won't return a clean error on window.onerror.
-            // The browser will just give you a 'Script error.' as message and nothing else for security issue.
-            // To enable onerror to work properly with CORS file, you should:
-            //   1. add crossorigin="anonymous" to your <script> tag loading the file
-            //   2. enabling 'Access-Control-Allow-Origin' on the server serving the file.
-            // Since in some case it wont be possible to to this, this handle should have the possibility to be
-            // handled by the script manipulating the injected file. For this, you will use window.onOriginError
-            // If it is not handled, we should display something clearer than the common crash_manager error dialog
-            // since it won't show anything except "Script error."
-            // This link will probably explain it better: https://blog.sentry.io/2016/05/17/what-is-script-error.html
-            if (!file && !line && !col) {
-                // Chrome and Opera set "Script error." on the `message` and hide the `error`
-                // Firefox handles the "Script error." directly. It sets the error thrown by the CORS file into `error`
-                if (window.onOriginError) {
-                    window.onOriginError();
-                    delete window.onOriginError;
-                } else {
-                    crash_manager.show_error({
-                        type: _t("Odoo Client Error"),
-                        message: _t("Unknown CORS error"),
-                        data: {debug: _t("An unknown CORS error occured. The error probably originates from a JavaScript file served from a different origin. (Opening your browser console might give you a hint on the error.)")},
-                    });
-                }
-            } else {
-                // ignore Chrome video internal error: https://crbug.com/809574
-                if (!error && message === 'ResizeObserver loop limit exceeded') {
-                    return;
-                }
-                var traceback = error ? error.stack : '';
-                crash_manager.show_error({
-                    type: _t("Odoo Client Error"),
-                    message: message,
-                    data: {debug: file + ':' + line + "\n" + _t('Traceback:') + "\n" + traceback},
-                });
-            }
-        };
     },
     set_action_manager: function () {
         var self = this;
diff --git a/addons/web/static/src/js/services/crash_manager.js b/addons/web/static/src/js/services/crash_manager.js
index ff699af3262..7b3469e5e47 100644
--- a/addons/web/static/src/js/services/crash_manager.js
+++ b/addons/web/static/src/js/services/crash_manager.js
@@ -25,6 +25,46 @@ var CrashManager = core.Class.extend({
         this.active = true;
         this.isConnected = true;
 
+        // crash manager integration
+        core.bus.on('rpc_error', this, this.rpc_error);
+        window.onerror = function (message, file, line, col, error) {
+            // Scripts injected in DOM (eg: google API's js files) won't return a clean error on window.onerror.
+            // The browser will just give you a 'Script error.' as message and nothing else for security issue.
+            // To enable onerror to work properly with CORS file, you should:
+            //   1. add crossorigin="anonymous" to your <script> tag loading the file
+            //   2. enabling 'Access-Control-Allow-Origin' on the server serving the file.
+            // Since in some case it wont be possible to to this, this handle should have the possibility to be
+            // handled by the script manipulating the injected file. For this, you will use window.onOriginError
+            // If it is not handled, we should display something clearer than the common crash_manager error dialog
+            // since it won't show anything except "Script error."
+            // This link will probably explain it better: https://blog.sentry.io/2016/05/17/what-is-script-error.html
+            if (!file && !line && !col) {
+                // Chrome and Opera set "Script error." on the `message` and hide the `error`
+                // Firefox handles the "Script error." directly. It sets the error thrown by the CORS file into `error`
+                if (window.onOriginError) {
+                    window.onOriginError();
+                    delete window.onOriginError;
+                } else {
+                    self.show_error({
+                        type: _t("Odoo Client Error"),
+                        message: _t("Unknown CORS error"),
+                        data: {debug: _t("An unknown CORS error occured. The error probably originates from a JavaScript file served from a different origin. (Opening your browser console might give you a hint on the error.)")},
+                    });
+                }
+            } else {
+                // ignore Chrome video internal error: https://crbug.com/809574
+                if (!error && message === 'ResizeObserver loop limit exceeded') {
+                    return;
+                }
+                var traceback = error ? error.stack : '';
+                self.show_error({
+                    type: _t("Odoo Client Error"),
+                    message: message,
+                    data: {debug: file + ':' + line + "\n" + _t('Traceback:') + "\n" + traceback},
+                });
+            }
+        };
+
         // listen to unhandled rejected promises, and throw an error when the
         // promise has been rejected due to a crash
         window.addEventListener('unhandledrejection', function (ev) {