VOL-3181 - dereference var correctly

Change-Id: I75680445437dcffdbb33bcb578e72b41c3675784
diff --git a/voltha b/voltha
index 776a543..820ed7a 100755
--- a/voltha
+++ b/voltha
@@ -1417,7 +1417,7 @@
     kind get kubeconfig --name="voltha-$NAME" >"$KUBECONFIG"
     # For backward compatibility also copy to old location
     mkdir -p "$HOME/.kube"
-    cp "KUBECONFIG" "$HOME/.kube/kind-config-voltha-$NAME"
+    cp "$KUBECONFIG" "$HOME/.kube/kind-config-voltha-$NAME"
 
     P="coredns-.* \
         etcd-voltha-$NAME-control-plane \