diff --git a/app/src/Service/Venta/Precio/Import.php b/app/src/Service/Venta/Precio/Import.php
index 5a56900..02501b9 100644
--- a/app/src/Service/Venta/Precio/Import.php
+++ b/app/src/Service/Venta/Precio/Import.php
@@ -75,19 +75,19 @@ class Import extends Ideal\Service
             'precio' => [],
             'unidad' => ['departamento'],
             'tipo' => ['tipo unidad'],
-            'fecha' => []
+            'fecha' => [],
         ];
 
         $realTitlesMap = [];
         $titles = array_keys($data[0]);
         foreach ($baseTitlesMap as $base => $optionals) {
             foreach ($titles as $title) {
-                if (str_contains($title, $base)) {
+                if (str_contains(strtolower($title), $base)) {
                     $realTitlesMap[$title] = $base;
                     break;
                 }
                 foreach ($optionals as $optional) {
-                    if (str_contains($title, $optional)) {
+                    if (str_contains(strtolower($title), $optional)) {
                         $realTitlesMap[$title] = $base;
                         break;
                     }