diff --git a/vars/logger.groovy b/vars/logger.groovy
index a0fd6a3..fc1accb 100644
--- a/vars/logger.groovy
+++ b/vars/logger.groovy
@@ -61,7 +61,8 @@ private void logger(level, message) {
     def LOG_LEVEL = 'INFO'
 
     // Global log colorization enabled flag
-    def colorization = System.getenv('LOGGER_COLORIZED_ENABLED')
+    def env = new java.lang.ProcessEnvironment()
+    def colorization = env.getenv('LOGGER_COLORIZED_ENABLED')
 
     if (LOG_LEVELS.indexOf(level) <= LOG_LEVELS.indexOf(LOG_LEVEL)) {
         def color = COLORS[level]