diff --git a/core/src/main/java/io/bitsquare/trade/protocol/availability/messages/OfferAvailabilityResponse.java b/core/src/main/java/io/bitsquare/trade/protocol/availability/messages/OfferAvailabilityResponse.java
index 504b3459bb..e311cf3dd7 100644
--- a/core/src/main/java/io/bitsquare/trade/protocol/availability/messages/OfferAvailabilityResponse.java
+++ b/core/src/main/java/io/bitsquare/trade/protocol/availability/messages/OfferAvailabilityResponse.java
@@ -26,6 +26,9 @@ public final class OfferAvailabilityResponse extends OfferMessage {
 
     public final AvailabilityResult availabilityResult;
 
+    // TODO keep for backward compatibility. Can be removed once everyone is on v0.4.9
+    public boolean isAvailable;
+    
     public OfferAvailabilityResponse(String offerId, AvailabilityResult availabilityResult) {
         super(offerId);
         this.availabilityResult = availabilityResult;
diff --git a/core/src/main/java/io/bitsquare/trade/protocol/availability/tasks/ProcessOfferAvailabilityResponse.java b/core/src/main/java/io/bitsquare/trade/protocol/availability/tasks/ProcessOfferAvailabilityResponse.java
index efaecf8758..b534b9d34c 100644
--- a/core/src/main/java/io/bitsquare/trade/protocol/availability/tasks/ProcessOfferAvailabilityResponse.java
+++ b/core/src/main/java/io/bitsquare/trade/protocol/availability/tasks/ProcessOfferAvailabilityResponse.java
@@ -40,7 +40,8 @@ public class ProcessOfferAvailabilityResponse extends Task<OfferAvailabilityMode
             OfferAvailabilityResponse offerAvailabilityResponse = model.getMessage();
 
             if (model.offer.getState() != Offer.State.REMOVED) {
-                if (offerAvailabilityResponse.availabilityResult == AvailabilityResult.AVAILABLE) {
+                // TODO: isAvailable is kept for backward compatibility. Can be removed once everyone is on v0.4.9
+                if (offerAvailabilityResponse.isAvailable || offerAvailabilityResponse.availabilityResult == AvailabilityResult.AVAILABLE) {
                     model.offer.setState(Offer.State.AVAILABLE);
                 } else {
                     log.warn("Offer rejected because of: " + offerAvailabilityResponse.availabilityResult);