diff --git a/Signum.React/Scripts/Lines/EntityLine.tsx b/Signum.React/Scripts/Lines/EntityLine.tsx
index 06025d7a54..c9d991f99f 100644
--- a/Signum.React/Scripts/Lines/EntityLine.tsx
+++ b/Signum.React/Scripts/Lines/EntityLine.tsx
@@ -207,7 +207,7 @@ export class EntityLine extends EntityBase<EntityLineProps, EntityLineState> {
       );
     } else {
       return (
-        <span tabIndex="0" ref={e => this.setLinkOrSpan(e)} className={classes(s.ctx.formControlClass, "sf-entity-line-entity")} {...s.itemHtmlAttributes} >
+        <span tabIndex={0} ref={e => this.setLinkOrSpan(e)} className={classes(s.ctx.formControlClass, "sf-entity-line-entity")} {...s.itemHtmlAttributes}>
           {str}
         </span>
       );