diff --git a/src/org/SHS/SDK.groovy b/src/org/SHS/SDK.groovy
index c464805..46353f5 100644
--- a/src/org/SHS/SDK.groovy
+++ b/src/org/SHS/SDK.groovy
@@ -12,7 +12,7 @@ class SDK {
 	
 	public void build() {
 		steps.stage("Download sources") {
-			steps.checkout scm
+			steps.checkout steps.scm
 		}
 		//pl.get()
 		pl._root = steps.readJSON(file: '${env.SHSSDK_DIR}/platforms.json')