diff --git a/vars/installVoltctl.groovy b/vars/installVoltctl.groovy
index 1e8bc93..ce2b71e 100644
--- a/vars/installVoltctl.groovy
+++ b/vars/installVoltctl.groovy
@@ -54,7 +54,7 @@
 	
 	print(" ** RUNNING: ${get_version}")
 	released[branch] = sh (
-	    script: get_version
+	    script: get_version,
 	    returnStdout: true
 	).trim()
     }