diff --git a/src/de/schildbach/pte/OebbProvider.java b/src/de/schildbach/pte/OebbProvider.java
index 74affa6f..7cd96fd3 100644
--- a/src/de/schildbach/pte/OebbProvider.java
+++ b/src/de/schildbach/pte/OebbProvider.java
@@ -38,11 +38,15 @@ public class OebbProvider extends AbstractHafasClientInterfaceProvider {
     private static final String DEFAULT_API_CLIENT = "{\"id\":\"OEBB\",\"type\":\"AND\"}";
 
     public OebbProvider(final String apiAuthorization) {
-        this(DEFAULT_API_CLIENT, apiAuthorization);
+        this(API_BASE, apiAuthorization);
     }
 
-    public OebbProvider(final String apiClient, final String apiAuthorization) {
-        super(NetworkId.OEBB, API_BASE, PRODUCTS_MAP);
+    public OebbProvider(final HttpUrl apiBase, final String apiAuthorization) {
+        this(apiBase, DEFAULT_API_CLIENT, apiAuthorization);
+    }
+
+    public OebbProvider(final HttpUrl apiBase, final String apiClient, final String apiAuthorization) {
+        super(NetworkId.OEBB, apiBase, PRODUCTS_MAP);
         setApiVersion("1.16");
         setApiClient(apiClient);
         setApiAuthorization(apiAuthorization);