diff --git a/lib/functions.php b/lib/functions.php
index a81576a2a..91885544c 100755
--- a/lib/functions.php
+++ b/lib/functions.php
@@ -132,7 +132,7 @@ function copyr($source, $destination, $ignores = [])
 
     try {
         $fs->chmod($destination, 0777, 0000, true);
-    } catch (\Exception $e) {}
+    } catch (IOException $e) {}
 
     foreach ($files as $file) {
         $filename = rtrim($destination, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.$file->getRelativePathname();
diff --git a/src/Update.php b/src/Update.php
index f6bc27345..03c596d08 100755
--- a/src/Update.php
+++ b/src/Update.php
@@ -18,6 +18,7 @@
  */
 
 use Symfony\Component\Filesystem\Filesystem as SymfonyFilesystem;
+use Symfony\Component\Filesystem\Exception\IOException;
 
 /**
  * Classe dedicata alla gestione delle procedure di aggiornamento del database del progetto.
@@ -216,7 +217,7 @@ class Update
             try {
                 $fs->chmod('backup', 0777, 0000, true);
                 $fs->chmod('files', 0777, 0000, true);
-            } catch (\Exception $e) {}
+            } catch (IOException $e) {}
 
             return true;
         }