diff --git a/public/userarea/export_to_lims.php b/public/userarea/export_to_lims.php
index d9e0929..a8db866 100644
--- a/public/userarea/export_to_lims.php
+++ b/public/userarea/export_to_lims.php
@@ -276,21 +276,42 @@ try {
                 }
 
                 $photoEndpoint = "Campione({$campioneId})/UploadCampioneFile";
-                $stampaNelRapporto = !empty($photo['StampaNelRapporto']) ? 'true' : 'false';
-                $primaPagina = !empty($photo['PrimaPagina']) ? 'true' : 'false';
+                $stampaNelRapporto = !empty($photo['StampaNelRapporto']);
+                $primaPagina = !empty($photo['PrimaPagina']);
 
                 $logContentPhotos .= "curl --location --request POST '{$apiBaseUrl}{$photoEndpoint}' \\\n" .
                     "--header 'Authorization: Bearer ••••••' \\\n" .
-                    "--form 'file=@{$fullPath}' \\\n" .
-                    "--form 'StampaNelRapporto={$stampaNelRapporto}' \\\n" .
-                    "--form 'PrimaPagina={$primaPagina}'\n\n";
+                    "--form 'file=@{$fullPath}'\n\n";
 
-                $extraFields = [
-                    'StampaNelRapporto' => $stampaNelRapporto,
-                    'PrimaPagina' => $primaPagina,
-                ];
-                $photoResult = $api->postMultipart($photoEndpoint, $fullPath, $photo['file_name'], $extraFields);
-                $logContentPhotos .= "RESPONSE:\n" . json_encode($photoResult, JSON_PRETTY_PRINT) . "\n\n---\n";
+                // Step 1: Upload file (flags are ignored by API during upload)
+                $photoResult = $api->postMultipart($photoEndpoint, $fullPath, $photo['file_name']);
+                $logContentPhotos .= "UPLOAD RESPONSE:\n" . json_encode($photoResult, JSON_PRETTY_PRINT) . "\n\n";
+
+                // Step 2: PATCH CampioneFile to set flags (StampaNelRapporto, PrimaPagina)
+                $campioneFileId = (int)($photoResult['IdCampioneFile'] ?? 0);
+                if ($campioneFileId > 0 && ($stampaNelRapporto || $primaPagina)) {
+                    $patchPayload = [];
+
+                    if ($stampaNelRapporto) {
+                        $patchPayload['StampaNelRapporto'] = true;
+                    }
+
+                    if ($primaPagina) {
+                        $patchPayload['PrimaPagina'] = true;
+                    }
+
+                    $patchEndpoint = "CampioneFile({$campioneFileId})";
+                    $patchJsonLog = json_encode($patchPayload, JSON_PRETTY_PRINT);
+                    $logContentPhotos .= "curl --location --request PATCH '{$apiBaseUrl}{$patchEndpoint}' \\\n" .
+                        "--header 'Content-Type: application/json' \\\n" .
+                        "--header 'Authorization: Bearer ••••••' \\\n" .
+                        "--data '{$patchJsonLog}'\n\n";
+
+                    $patchResult = $api->patch($patchEndpoint, $patchPayload);
+                    $logContentPhotos .= "PATCH RESPONSE:\n" . json_encode($patchResult, JSON_PRETTY_PRINT) . "\n\n";
+                }
+
+                $logContentPhotos .= "---\n";
                 $photosUploaded++;
             }
         } else {