diff --git a/httpdocs/assets/js/safekat/pages/preview.js b/httpdocs/assets/js/safekat/pages/preview.js
index 32757a75..e7eada9d 100644
--- a/httpdocs/assets/js/safekat/pages/preview.js
+++ b/httpdocs/assets/js/safekat/pages/preview.js
@@ -134,8 +134,8 @@ class previewFormas {
                 previewEC.makeText("Solapa 1", origenEC.x + anchoLibro + (lomoLibro + anchoSolapa) / 2, origenEC.y, stylesSolapa);
                 previewEC.makeText("Solapa 2", origenEC.x - anchoLibro - (lomoLibro + anchoSolapa) / 2, origenEC.y, stylesSolapa);
                 // Textos Cotas Solapas
-                previewEC.makeText(anchoSolapa.toFixed(1) + " mm", origenEC.x - anchoLibro - (lomoLibro + anchoSolapa) / 2, origenEC.y - (altoLibro / 3) + 15, styleCotas);
-                previewEC.makeText(anchoSolapa.toFixed(1) + " mm", origenEC.x + anchoLibro + (lomoLibro + anchoSolapa) / 2, origenEC.y - (altoLibro / 3) + 15, styleCotas);
+                previewEC.makeText(this.solapa.toFixed(1) + " mm", origenEC.x - anchoLibro - (lomoLibro + anchoSolapa) / 2, origenEC.y - (altoLibro / 3) + 15, styleCotas);
+                previewEC.makeText(this.solapa.toFixed(1) + " mm", origenEC.x + anchoLibro + (lomoLibro + anchoSolapa) / 2, origenEC.y - (altoLibro / 3) + 15, styleCotas);
             }
 
         }