diff --git a/enabler/src/de/schildbach/pte/AbstractEfaProvider.java b/enabler/src/de/schildbach/pte/AbstractEfaProvider.java
index 452498a6..d62b453c 100644
--- a/enabler/src/de/schildbach/pte/AbstractEfaProvider.java
+++ b/enabler/src/de/schildbach/pte/AbstractEfaProvider.java
@@ -86,6 +86,7 @@ public abstract class AbstractEfaProvider extends AbstractNetworkProvider
 	private final boolean canAcceptPoiID;
 	private final boolean needsSpEncId;
 	private Charset requestUrlEncoding = ISO_8859_1;
+	private String referer;
 	private boolean suppressPositions = false;
 	private boolean useRouteIndexAsConnectionId = true;
 	private final XmlPullParserFactory parserFactory;
@@ -157,6 +158,11 @@ public abstract class AbstractEfaProvider extends AbstractNetworkProvider
 		this.requestUrlEncoding = requestUrlEncoding;
 	}
 
+	protected void setReferer(final String referer)
+	{
+		this.referer = referer;
+	}
+
 	protected void setSuppressPositions(final boolean suppressPositions)
 	{
 		this.suppressPositions = suppressPositions;
@@ -1316,7 +1322,7 @@ public abstract class AbstractEfaProvider extends AbstractNetworkProvider
 		InputStream is = null;
 		try
 		{
-			is = ParserUtils.scrapeInputStream(uri.toString());
+			is = ParserUtils.scrapeInputStream(uri.toString(), null, null, referer, null, 3);
 
 			final XmlPullParser pp = parserFactory.newPullParser();
 			pp.setInput(is, null);
@@ -1723,10 +1729,12 @@ public abstract class AbstractEfaProvider extends AbstractNetworkProvider
 	{
 		final String uri = xsltTripRequest2Uri(from, via, to, date, dep, numConnections, products, walkSpeed, accessibility, options);
 
+		System.out.println(uri);
+
 		InputStream is = null;
 		try
 		{
-			is = ParserUtils.scrapeInputStream(uri, null, null, "NSC_", 3);
+			is = ParserUtils.scrapeInputStream(uri, null, null, referer, "NSC_", 3);
 			return queryConnections(uri, is);
 		}
 		catch (final XmlPullParserException x)
@@ -1757,7 +1765,7 @@ public abstract class AbstractEfaProvider extends AbstractNetworkProvider
 		InputStream is = null;
 		try
 		{
-			is = new BufferedInputStream(ParserUtils.scrapeInputStream(uri.toString(), null, null, "NSC_", 3));
+			is = new BufferedInputStream(ParserUtils.scrapeInputStream(uri.toString(), null, null, referer, "NSC_", 3));
 			is.mark(512);
 
 			return queryConnections(uri.toString(), is);
diff --git a/enabler/src/de/schildbach/pte/AbstractHafasProvider.java b/enabler/src/de/schildbach/pte/AbstractHafasProvider.java
index eb7b2fc0..28448104 100644
--- a/enabler/src/de/schildbach/pte/AbstractHafasProvider.java
+++ b/enabler/src/de/schildbach/pte/AbstractHafasProvider.java
@@ -282,7 +282,7 @@ public abstract class AbstractHafasProvider extends AbstractNetworkProvider
 
 		try
 		{
-			reader = new InputStreamReader(ParserUtils.scrapeInputStream(apiUri, wrap(request, null), null, null, 3), ISO_8859_1);
+			reader = new InputStreamReader(ParserUtils.scrapeInputStream(apiUri, wrap(request, null), null, null, null, 3), ISO_8859_1);
 
 			final List<Location> results = new ArrayList<Location>();
 
@@ -495,7 +495,7 @@ public abstract class AbstractHafasProvider extends AbstractNetworkProvider
 
 		try
 		{
-			reader = new InputStreamReader(ParserUtils.scrapeInputStream(apiUri, wrappedRequest, xmlMlcResEncoding, null, 3), xmlMlcResEncoding);
+			reader = new InputStreamReader(ParserUtils.scrapeInputStream(apiUri, wrappedRequest, xmlMlcResEncoding, null, null, 3), xmlMlcResEncoding);
 
 			final XmlPullParserFactory factory = XmlPullParserFactory.newInstance(System.getProperty(XmlPullParserFactory.PROPERTY_NAME), null);
 			final XmlPullParser pp = factory.newPullParser();
@@ -961,7 +961,7 @@ public abstract class AbstractHafasProvider extends AbstractNetworkProvider
 
 		try
 		{
-			reader = new InputStreamReader(ParserUtils.scrapeInputStream(apiUri, wrap(request, null), null, null, 3), ISO_8859_1);
+			reader = new InputStreamReader(ParserUtils.scrapeInputStream(apiUri, wrap(request, null), null, null, null, 3), ISO_8859_1);
 
 			final XmlPullParserFactory factory = XmlPullParserFactory.newInstance(System.getProperty(XmlPullParserFactory.PROPERTY_NAME), null);
 			final XmlPullParser pp = factory.newPullParser();
diff --git a/enabler/src/de/schildbach/pte/VorProvider.java b/enabler/src/de/schildbach/pte/VorProvider.java
index 92995272..2409f8eb 100644
--- a/enabler/src/de/schildbach/pte/VorProvider.java
+++ b/enabler/src/de/schildbach/pte/VorProvider.java
@@ -33,6 +33,8 @@ public class VorProvider extends AbstractEfaProvider
 	public VorProvider()
 	{
 		super(API_BASE, null);
+
+		setReferer("http://www.wienerlinien.at/eportal/");
 	}
 
 	public NetworkId id()
diff --git a/enabler/src/de/schildbach/pte/util/ParserUtils.java b/enabler/src/de/schildbach/pte/util/ParserUtils.java
index 7b79bd4b..2b9082fa 100644
--- a/enabler/src/de/schildbach/pte/util/ParserUtils.java
+++ b/enabler/src/de/schildbach/pte/util/ParserUtils.java
@@ -225,10 +225,10 @@ public final class ParserUtils
 
 	public static final InputStream scrapeInputStream(final String url) throws IOException
 	{
-		return scrapeInputStream(url, null, null, null, 3);
+		return scrapeInputStream(url, null, null, null, null, 3);
 	}
 
-	public static final InputStream scrapeInputStream(final String urlStr, final String postRequest, Charset requestEncoding,
+	public static final InputStream scrapeInputStream(final String urlStr, final String postRequest, Charset requestEncoding, final String referer,
 			final String sessionCookieName, int tries) throws IOException
 	{
 		if (requestEncoding == null)
@@ -248,6 +248,9 @@ public final class ParserUtils
 			// workaround to disable Vodafone compression
 			connection.addRequestProperty("Cache-Control", "no-cache");
 
+			if (referer != null)
+				connection.addRequestProperty("Referer", referer);
+
 			if (sessionCookieName != null && stateCookie != null)
 				connection.addRequestProperty("Cookie", stateCookie);