diff --git a/shared/fileinfo.php b/shared/fileinfo.php
index acb1141..51ce5fa 100644
--- a/shared/fileinfo.php
+++ b/shared/fileinfo.php
@@ -31,6 +31,9 @@ function uupApiGetFileinfoDirs() {
 }
 
 function uupApiGetFileinfoName($updateId, $meta = false) {
+    if(!uupApiCheckUpdateId($updateId))
+        return null;
+
     $fileName = $updateId.'.json';
     $dirs = uupApiGetFileinfoDirs();
 
@@ -41,7 +44,12 @@ function uupApiGetFileinfoName($updateId, $meta = false) {
 }
 
 function uupApiFileInfoExists($updateId) {
-    return file_exists(uupApiGetFileinfoName($updateId));
+    $name = uupApiGetFileinfoName($updateId);
+
+    if($name === null)
+        return false;
+
+    return file_exists($name);
 }
 
 function uupApiWriteFileinfoMeta($updateId, $info) {
@@ -49,12 +57,19 @@ function uupApiWriteFileinfoMeta($updateId, $info) {
         unset($info['files']);
 
     $file = uupApiGetFileinfoName($updateId, true);
+
+    if($file === null)
+        return false;
+
     return uupApiWriteJson($file, $info);
 }
 
 function uupApiWriteFileinfo($updateId, $info) {
     $file = uupApiGetFileinfoName($updateId);
 
+    if($file === null)
+        return false;
+
     if(uupApiWriteJson($file, $info) === false)
         return false;
 
@@ -64,10 +79,14 @@ function uupApiWriteFileinfo($updateId, $info) {
 function uupApiReadFileinfoMeta($updateId) {
     $file = uupApiGetFileinfoName($updateId, true);
 
+    if($file === null)
+        return false;
+
     if(file_exists($file))
         return uupApiReadJson($file);
 
     $info = uupApiReadFileinfo($updateId, false);
+
     if($info === false)
         return false;
 
@@ -88,6 +107,10 @@ function uupApiReadFileinfo($updateId, $meta = false) {
         return uupApiReadFileinfoMeta($updateId);
 
     $file = uupApiGetFileinfoName($updateId);
+
+    if($file === null)
+        return false;
+
     $info = uupApiReadJson($file);
 
     return $info;
diff --git a/shared/packs.php b/shared/packs.php
index 27289bb..38fdca7 100644
--- a/shared/packs.php
+++ b/shared/packs.php
@@ -16,6 +16,7 @@ limitations under the License.
 */
 
 require_once dirname(__FILE__).'/../listid.php';
+require_once dirname(__FILE__).'/utils.php';
 
 function uupGetInfoTexts() {
     $fancyLangNames = array(
@@ -204,11 +205,19 @@ function uupGetInfoTexts() {
 }
 
 function uupApiGetPacks($updateId) {
-    if(empty($updateId)) return [];
-    if(!file_exists('packs/'.$updateId.'.json.gz')) return [];
+    if(empty($updateId)) 
+        return [];
+
+    if(!uupApiCheckUpdateId($updateId))
+        return [];
+
+    if(!file_exists('packs/'.$updateId.'.json.gz')) 
+        return [];
 
     $genPack = @gzdecode(@file_get_contents('packs/'.$updateId.'.json.gz'));
-    if(empty($genPack)) return [];
+
+    if(empty($genPack)) 
+        return [];
 
     $genPack = json_decode($genPack, 1);
     return $genPack;
diff --git a/shared/utils.php b/shared/utils.php
index 3e43e2c..d4c1291 100644
--- a/shared/utils.php
+++ b/shared/utils.php
@@ -19,7 +19,7 @@ function uupApiPrintBrand() {
     global $uupApiBrandPrinted;
 
     if(!isset($uupApiBrandPrinted)) {
-        consoleLogger('UUP dump API v'.uupApiVersion());
+        consoleLogger('UUP dump API');
         $uupApiBrandPrinted = 1;
     }
 }