diff --git a/addons/web_editor/static/lib/odoo-editor/src/OdooEditor.js b/addons/web_editor/static/lib/odoo-editor/src/OdooEditor.js
index aff0a3f1709..358609ba919 100644
--- a/addons/web_editor/static/lib/odoo-editor/src/OdooEditor.js
+++ b/addons/web_editor/static/lib/odoo-editor/src/OdooEditor.js
@@ -1886,7 +1886,7 @@ export class OdooEditor extends EventTarget {
         const OFFSET = 10;
         let isBottom = false;
         this.toolbar.classList.toggle('toolbar-bottom', false);
-        this.toolbar.style.maxWidth = this.editable.offsetWidth - OFFSET * 2 + 'px';
+        this.toolbar.style.maxWidth = window.innerWidth - OFFSET * 2 + 'px';
         const sel = this.document.getSelection();
         const range = sel.getRangeAt(0);
         const isSelForward =
@@ -1896,7 +1896,6 @@ export class OdooEditor extends EventTarget {
         const toolbarHeight = this.toolbar.offsetHeight;
         const editorRect = this.editable.getBoundingClientRect();
         const parentContextRect = this.options.getContextFromParentRect();
-        const editorLeftPos = Math.max(0, editorRect.left);
         const editorTopPos = Math.max(0, editorRect.top);
         const scrollX = this.document.defaultView.scrollX;
         const scrollY = this.document.defaultView.scrollY;
@@ -1904,9 +1903,9 @@ export class OdooEditor extends EventTarget {
         // Get left position.
         let left = selRect.left + OFFSET;
         // Ensure the toolbar doesn't overflow the editor on the left.
-        left = Math.max(editorLeftPos + OFFSET, left);
+        left = Math.max(OFFSET, left);
         // Ensure the toolbar doesn't overflow the editor on the right.
-        left = Math.min(editorLeftPos + this.editable.offsetWidth - OFFSET - toolbarWidth, left);
+        left = Math.min(window.innerWidth - OFFSET - toolbarWidth, left);
         // Offset left to compensate for parent context position (eg. Iframe).
         left += parentContextRect.left;
         this.toolbar.style.left = scrollX + left + 'px';
@@ -1920,7 +1919,7 @@ export class OdooEditor extends EventTarget {
             isBottom = true;
         }
         // Ensure the toolbar doesn't overflow the editor on the bottom.
-        top = Math.min(editorTopPos + this.editable.offsetHeight - OFFSET - toolbarHeight, top);
+        top = Math.min(window.innerHeight - OFFSET - toolbarHeight, top);
         // Offset top to compensate for parent context position (eg. Iframe).
         top += parentContextRect.top;
         this.toolbar.style.top = scrollY + top + 'px';