diff --git a/src/Exporters/Abstract/AbstractConverter.php b/src/Exporters/Abstract/AbstractConverter.php
index 2c7f620..b5c15c2 100644
--- a/src/Exporters/Abstract/AbstractConverter.php
+++ b/src/Exporters/Abstract/AbstractConverter.php
@@ -71,7 +71,7 @@ abstract class AbstractConverter implements ConverterContract
      */
     protected function setVariables(): static
     {
-        if ($this->collection->variable) {
+        if (isset($this->collection?->variable)) {
             foreach ($this->collection->variable as $var) {
                 $this->vars["{{{$var->key}}}"] = $var->value;
             }
diff --git a/src/Exporters/Wget/WgetRequest.php b/src/Exporters/Wget/WgetRequest.php
index f5023fb..01ccb1d 100644
--- a/src/Exporters/Wget/WgetRequest.php
+++ b/src/Exporters/Wget/WgetRequest.php
@@ -53,7 +53,7 @@ class WgetRequest extends AbstractRequest
                 $output[] = http_build_query($params);
                 return $output;
             default:
-                return ["\t$this->body"];
+                return ["\t'$this->body' \ "];
         }
     }
 
@@ -75,7 +75,6 @@ class WgetRequest extends AbstractRequest
             $this->prepareHeaders(),
             $this->prepareBody()
         );
-        $output[] = rtrim(array_pop($output), '\ ');
         $output[] = "\t'$this->url'";
         return implode(PHP_EOL, array_merge($output, ['']));
     }
diff --git a/src/Processor.php b/src/Processor.php
index df720b4..e4c251e 100644
--- a/src/Processor.php
+++ b/src/Processor.php
@@ -22,7 +22,7 @@ class Processor
     /**
      * Converter version
      */
-    public const VERSION = '1.2.1';
+    public const VERSION = '1.2.2';
 
     /**
      * @var string[] Paths to collection files
@@ -229,6 +229,9 @@ class Processor
      */
     protected function initEnv(): void
     {
+        if (!isset($this->envFile)) {
+            return;
+        }
         $content = file_get_contents(FileSystem::normalizePath($this->envFile));
         $content = json_decode($content, flags: JSON_THROW_ON_ERROR);
         if (!property_exists($content, 'environment') || empty($content?->environment)) {