diff --git a/source/static/js/controller/admin.js b/source/static/js/controller/admin.js
index cbc3392..650b713 100644
--- a/source/static/js/controller/admin.js
+++ b/source/static/js/controller/admin.js
@@ -1640,7 +1640,7 @@ function cmd_agregar_impuesto_click(){
         return
     }
 
-    if(impuesto='ISR' || tasa > 0){
+    if(impuesto=='ISR' && tasa > 0){
         msg = 'El impuesto ISR debe ser tipo Retención'
         msg_error(msg)
         return