diff --git a/enabler/src/de/schildbach/pte/ZvvProvider.java b/enabler/src/de/schildbach/pte/ZvvProvider.java
index 51ad9b4e..ca42b45d 100644
--- a/enabler/src/de/schildbach/pte/ZvvProvider.java
+++ b/enabler/src/de/schildbach/pte/ZvvProvider.java
@@ -42,6 +42,7 @@ public class ZvvProvider extends AbstractHafasClientInterfaceProvider {
     public ZvvProvider(final String jsonApiAuthorization) {
         super(NetworkId.ZVV, API_BASE, PRODUCTS_MAP);
         setApiVersion("1.15");
+        setApiExt("ZVV.2");
         setApiClient("{\"id\":\"ZVV\",\"type\":\"AND\"}");
         setApiAuthorization(jsonApiAuthorization);
         setStyles(STYLES);