diff --git a/documents/logs/Etiquetas de Muestras (4).pdf b/documents/logs/Etiquetas de Muestras (4).pdf
new file mode 100644
index 0000000..483a575
Binary files /dev/null and b/documents/logs/Etiquetas de Muestras (4).pdf differ
diff --git a/lims_management/report/sample_label_report.xml b/lims_management/report/sample_label_report.xml
index b78284c..9c9fe82 100644
--- a/lims_management/report/sample_label_report.xml
+++ b/lims_management/report/sample_label_report.xml
@@ -58,12 +58,16 @@
                             
                             <!-- Código de barras -->
                             <div style="text-align: center; margin-top: 3mm;">
-                                <t t-set="barcode_value" t-value="o.barcode or o.name"/>
+                                <t t-set="barcode_value" t-value="o.barcode if o.barcode else o.name"/>
                                 <t t-if="barcode_value">
-                                    <img t-attf-src="/report/barcode/?barcode_type=Code128&amp;value={{barcode_value}}&amp;width=250&amp;height=60&amp;humanreadable=1"
-                                         style="width: 250px; height: 60px;"/>
-                                    <div style="text-align: center; font-size: 10px; margin-top: 2px;">
-                                        <span t-esc="barcode_value"/>
+                                    <!-- Usar sintaxis específica de Odoo para código de barras -->
+                                    <span t-field="o.barcode" 
+                                          t-options="{'widget': 'barcode', 'type': 'Code128', 'width': 250, 'height': 60, 'humanreadable': 1}"
+                                          style="display: block;"/>
+                                </t>
+                                <t t-else="">
+                                    <div style="border: 1px solid #ccc; width: 250px; height: 60px; margin: 0 auto; display: flex; align-items: center; justify-content: center;">
+                                        <span style="color: #666;">Sin código de barras</span>
                                     </div>
                                 </t>
                             </div>