diff --git a/src/PHPCensor/Helper/BuildInterpolator.php b/src/PHPCensor/Helper/BuildInterpolator.php
index 0f74e98b..9feb228f 100644
--- a/src/PHPCensor/Helper/BuildInterpolator.php
+++ b/src/PHPCensor/Helper/BuildInterpolator.php
@@ -67,6 +67,7 @@ class BuildInterpolator
         putenv('PHPCI_PROJECT_TITLE=' . $this->interpolation_vars['%PROJECT_TITLE%']);
         putenv('PHPCI_BUILD_PATH=' . $this->interpolation_vars['%BUILD_PATH%']);
         putenv('PHPCI_BUILD_URI=' . $this->interpolation_vars['%BUILD_URI%']);
+        putenv('PHPCI_ENVIRONMENT=' . $this->interpolation_vars['%ENVIRONMENT%']);
     }
 
     /**