diff --git a/src/Umbraco.Web.UI.Client/src/backoffice/shared/property-editors/uis/multiple-text-string/property-editor-ui-multiple-text-string.element.ts b/src/Umbraco.Web.UI.Client/src/backoffice/shared/property-editors/uis/multiple-text-string/property-editor-ui-multiple-text-string.element.ts
index c175e57e09..a21d189fe0 100644
--- a/src/Umbraco.Web.UI.Client/src/backoffice/shared/property-editors/uis/multiple-text-string/property-editor-ui-multiple-text-string.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/backoffice/shared/property-editors/uis/multiple-text-string/property-editor-ui-multiple-text-string.element.ts
@@ -67,7 +67,7 @@ export class UmbPropertyEditorUIMultipleTextStringElement extends UmbLitElement
 			max="${ifDefined(this._limitMax)}"
 			@change=${this.#onChange}
 			?disabled=${this.disabled}
-			?readonly${this.readonly}></umb-input-multiple-text-string>`;
+			?readonly=${this.readonly}></umb-input-multiple-text-string>`;
 	}
 }