diff --git a/tools/putenv/putenv.php b/tools/putenv/putenv.php
index 3ea28d2..c269a32 100644
--- a/tools/putenv/putenv.php
+++ b/tools/putenv/putenv.php
@@ -15,7 +15,7 @@ class PutEnv {
             case 4:
                 $this->file = $argv[1];
                 $this->key = $argv[2];
-                $this->value -> $argv[3];
+                $this->value = $argv[3];
             break;
             
             case 3: