diff --git a/src/org/SHS/Platforms.groovy b/src/org/SHS/Platforms.groovy
index 3cedee7..d3a1154 100644
--- a/src/org/SHS/Platforms.groovy
+++ b/src/org/SHS/Platforms.groovy
@@ -26,7 +26,7 @@ class Platforms {
 				def ok = true;
 				def dn = key.toLowerCase()
 				if (whiteList.size() > 0) {
-					for (l in whiteList) {
+					whiteList.each { l ->
 						if (dn.indexOf(l) < 0) {
 							ok = false;
 							steps.print("${key} skip because of whiteList")
@@ -34,7 +34,7 @@ class Platforms {
 						}
 					}
 				}
-				for (l in blackList) {
+				blackList.each { l ->
 					if (dn.indexOf(l) >= 0) {
 						ok = false;
 						steps.print("${key} skip because of blackList")