diff --git a/addons/web_editor/static/src/js/editor/odoo-editor/src/powerbox/Powerbox.js b/addons/web_editor/static/src/js/editor/odoo-editor/src/powerbox/Powerbox.js
index ca6eadfd36a..cbe380066d2 100644
--- a/addons/web_editor/static/src/js/editor/odoo-editor/src/powerbox/Powerbox.js
+++ b/addons/web_editor/static/src/js/editor/odoo-editor/src/powerbox/Powerbox.js
@@ -1,6 +1,6 @@
 /** @odoo-module **/
 import { patienceDiff } from './patienceDiff.js';
-import { getRangePosition } from '../utils/utils.js';
+import { closestBlock, getRangePosition } from '../utils/utils.js';
 
 const REGEX_RESERVED_CHARS = /[\\^$.*+?()[\]{}|]/g;
 /**
@@ -114,9 +114,11 @@ export class Powerbox {
         commands = commands.filter(command => !command.isDisabled || !command.isDisabled()).sort(order);
         commands = this._groupCommands(commands, categories).flatMap(group => group[1]);
 
+        const selection = this.document.getSelection();
+        const currentBlock = (selection && closestBlock(selection.anchorNode)) || this.editable;
         this._context = {
             commands, categories, filteredCommands: commands, selectedCommand: undefined,
-            initialTarget: this.editable, initialValue: this.editable.textContent,
+            initialTarget: currentBlock, initialValue: currentBlock.textContent,
             lastText: undefined,
         }
         this.isOpen = true;
diff --git a/addons/web_editor/static/src/js/editor/odoo-editor/test/spec/powerbox.test.js b/addons/web_editor/static/src/js/editor/odoo-editor/test/spec/powerbox.test.js
index e2a9f6f2b2a..3f08a7c1a8b 100644
--- a/addons/web_editor/static/src/js/editor/odoo-editor/test/spec/powerbox.test.js
+++ b/addons/web_editor/static/src/js/editor/odoo-editor/test/spec/powerbox.test.js
@@ -33,6 +33,26 @@ describe('Powerbox', () => {
                 },
             });
         });
+        it('should not filter the powerbox contents when collaborator type on two different blocks', async () => {
+            await testEditor(BasicEditor, {
+                contentBefore: '<p>ab</p><p>c[]d</p>',
+                stepFunction: async editor => {
+                    await insertText(editor, '/');
+                    await insertText(editor, 'heading');
+                    setSelection(editor.editable.firstChild, 1);
+                    window.chai.expect(editor.powerbox.isOpen).to.be.true;
+                    // Mimick a collaboration scenario where another user types
+                    // random text, using `insert` as it won't trigger keyup.
+                    editor.execCommand('insert', 'random text');
+                    window.chai.expect(editor.powerbox.isOpen).to.be.true;
+                    setSelection(editor.editable.lastChild, 9);
+                    window.chai.expect(editor.powerbox.isOpen).to.be.true;
+                    await insertText(editor, '1');
+                    window.chai.expect(editor.powerbox.isOpen).to.be.true;
+                    window.chai.expect(getCurrentCommandNames(editor.powerbox)).to.eql(['Heading 1']);
+                },
+            });
+        });
         it('should execute command and remove term and hot character on Enter', async () => {
             await testEditor(BasicEditor, {
                 contentBefore: '<p>ab[]</p>',