diff --git a/src/StaticPHP/Exception/ExceptionHandler.php b/src/StaticPHP/Exception/ExceptionHandler.php
index a7732763..53dc15a8 100644
--- a/src/StaticPHP/Exception/ExceptionHandler.php
+++ b/src/StaticPHP/Exception/ExceptionHandler.php
@@ -190,7 +190,7 @@ class ExceptionHandler
             $line = str_pad($v, strlen($v) + $indent_space, ' ', STR_PAD_LEFT);
             fwrite($spc_log, strip_ansi_colors($line) . PHP_EOL);
             if ($output_log) {
-                InteractiveTerm::plain(ConsoleColor::red($line) . '');
+                InteractiveTerm::plain(ConsoleColor::red($line) . '', 'error');
             }
         }
     }
diff --git a/src/StaticPHP/Runtime/Shell/DefaultShell.php b/src/StaticPHP/Runtime/Shell/DefaultShell.php
index 88393289..a6421bdb 100644
--- a/src/StaticPHP/Runtime/Shell/DefaultShell.php
+++ b/src/StaticPHP/Runtime/Shell/DefaultShell.php
@@ -186,7 +186,7 @@ class DefaultShell extends Shell
         $extname = FileSystem::extname($archive_path);
         match ($extname) {
             'tar' => $this->executeTarExtract($archive_path, $target_path, 'none'),
-            'gz', 'tgz', 'xz', 'txz', 'bz2' => $run("{$_7z} x -so {$archive_arg} | tar tar -f - -x -C {$target_arg} --strip-components 1"),
+            'gz', 'tgz', 'xz', 'txz', 'bz2' => $run("{$_7z} x -so {$archive_arg} | tar -f - -x -C {$target_arg} --strip-components 1"),
             default => $run("{$_7z} x {$archive_arg} -o{$target_arg} -y{$mute}"),
         };
 
diff --git a/src/StaticPHP/Util/FileSystem.php b/src/StaticPHP/Util/FileSystem.php
index 8eb98e40..2f540d70 100644
--- a/src/StaticPHP/Util/FileSystem.php
+++ b/src/StaticPHP/Util/FileSystem.php
@@ -267,6 +267,9 @@ class FileSystem
                 if ($auto_require && !class_exists($class_name, false)) {
                     require_once $file_path;
                 }
+                if (class_exists($class_name, false) === false) {
+                    continue;
+                }
 
                 if (is_string($return_path_value)) {
                     $classes[$class_name] = $return_path_value . '/' . $v;