diff --git a/src/SPC/util/UnixShell.php b/src/SPC/util/UnixShell.php
index 44e97bfe..f8a80aff 100644
--- a/src/SPC/util/UnixShell.php
+++ b/src/SPC/util/UnixShell.php
@@ -72,10 +72,10 @@ class UnixShell
     public function setEnv(array $env): UnixShell
     {
         foreach ($env as $k => $v) {
-            if ($v === '') {
+            if (trim($v) === '') {
                 continue;
             }
-            $this->env[$k] = $v;
+            $this->env[$k] = trim($v);
         }
         return $this;
     }