diff --git a/addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js b/addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js
index 04bb6cc17d7..8b3f8cd16cc 100644
--- a/addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js
+++ b/addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js
@@ -4682,6 +4682,8 @@ export class OdooEditor extends EventTarget {
             !closestElement(selection.anchorNode).closest('a') &&
             selection.anchorNode.nodeType === Node.TEXT_NODE
         ) {
+            // Merge adjacent text nodes.
+            selection.anchorNode.parentNode.normalize();
             const textSliced = selection.anchorNode.textContent.slice(0, selection.anchorOffset);
             const textNodeSplitted = textSliced.split(/\s/);
             const potentialUrl = textNodeSplitted.pop();
diff --git a/addons/web_editor/static/src/js/editor/odoo-editor/test/spec/editor.test.js b/addons/web_editor/static/src/js/editor/odoo-editor/test/spec/editor.test.js
index ca5cae85585..08b77d11f3d 100644
--- a/addons/web_editor/static/src/js/editor/odoo-editor/test/spec/editor.test.js
+++ b/addons/web_editor/static/src/js/editor/odoo-editor/test/spec/editor.test.js
@@ -4297,6 +4297,16 @@ X[]
                 contentAfter: '<p>a http://test.com b <a href="http://test.com">http://test.com</a>[] c http://test.com d</p>',
                 //in reality: '<p>a http://test.com b <a href="http://test.com">http://test.com</a>&nbsp;[] c http://test.com d</p>'
             });
+            await testEditor(BasicEditor, {
+                contentBefore: '<p>http://test.com[]</p>',
+                stepFunction: async (editor) => {
+                    // Setup: simulate multiple text nodes in a p: <p>"http://test" ".com"</p>
+                    editor.editable.firstChild.firstChild.splitText(11);
+                    // Action: insert space
+                    insertText(editor, ' ');
+                },
+                contentAfter: '<p><a href="http://test.com">http://test.com</a> []</p>',
+            });
         });
         it('should transform url after enter', async () => {
             await testEditor(BasicEditor, {