diff --git a/public/userarea/annotationsModal.js b/public/userarea/annotationsModal.js
index 7e92fd7..9cfb8bd 100644
--- a/public/userarea/annotationsModal.js
+++ b/public/userarea/annotationsModal.js
@@ -660,8 +660,18 @@ $(document).ready(function () {
                     );
                     return;
                 }
+				
                 const $listItem = $(this);
-                selectedPartNumber = $listItem.data("part-number");
+                const partNumber = $listItem.data("part-number");
+
+                if (selectedPartNumber == partNumber && $listItem.hasClass("active")) {
+                    selectedPartNumber = null;
+                    $listItem.removeClass("active");
+
+                    return;
+                }
+				
+                selectedPartNumber = partNumber;
                 $listItem.addClass("active").siblings().removeClass("active");
                 console.log(
                     "Parte selezionata tramite riga:",