diff --git a/core/src/main/groovy/com/muwire/core/MuWireSettings.groovy b/core/src/main/groovy/com/muwire/core/MuWireSettings.groovy
index 50ac7d09..43509aa3 100644
--- a/core/src/main/groovy/com/muwire/core/MuWireSettings.groovy
+++ b/core/src/main/groovy/com/muwire/core/MuWireSettings.groovy
@@ -14,6 +14,7 @@ class MuWireSettings {
     int downloadRetryInterval
     int updateCheckInterval
     boolean autoDownloadUpdate
+    String updateType
     String nickname
     File downloadLocation
     CrawlerResponse crawlerResponse
@@ -39,6 +40,7 @@ class MuWireSettings {
         downloadRetryInterval = Integer.parseInt(props.getProperty("downloadRetryInterval","1"))
         updateCheckInterval = Integer.parseInt(props.getProperty("updateCheckInterval","24"))
         autoDownloadUpdate = Boolean.parseBoolean(props.getProperty("autoDownloadUpdate","true"))
+        updateType = props.getProperty("updateType","jar")
         shareDownloadedFiles = Boolean.parseBoolean(props.getProperty("shareDownloadedFiles","true"))
         downloadSequentialRatio = Float.valueOf(props.getProperty("downloadSequentialRatio","0.8"))
         hostClearInterval = Integer.valueOf(props.getProperty("hostClearInterval","60"))
@@ -65,6 +67,7 @@ class MuWireSettings {
         props.setProperty("downloadRetryInterval", String.valueOf(downloadRetryInterval))
         props.setProperty("updateCheckInterval", String.valueOf(updateCheckInterval))
         props.setProperty("autoDownloadUpdate", String.valueOf(autoDownloadUpdate))
+        props.setProperty("updateType",updateType)
         props.setProperty("shareDownloadedFiles", String.valueOf(shareDownloadedFiles))
         props.setProperty("downloadSequentialRatio", String.valueOf(downloadSequentialRatio))
         props.setProperty("hostClearInterval", String.valueOf(hostClearInterval))
diff --git a/core/src/main/groovy/com/muwire/core/update/UpdateClient.groovy b/core/src/main/groovy/com/muwire/core/update/UpdateClient.groovy
index 41605177..29998495 100644
--- a/core/src/main/groovy/com/muwire/core/update/UpdateClient.groovy
+++ b/core/src/main/groovy/com/muwire/core/update/UpdateClient.groovy
@@ -140,13 +140,20 @@ class UpdateClient {
                     log.info("no new version available")
                     return
                 }
+                
+                String infoHash
+                if (settings.updateType == "jar") {
+                    infoHash = payload.infoHash
+                } else
+                    infoHash = payload[settings.updateType]
+                
               
                 if (!settings.autoDownloadUpdate) {
                     log.info("new version $payload.version available, publishing event")
-                    eventBus.publish(new UpdateAvailableEvent(version : payload.version, signer : payload.signer, infoHash : payload.infoHash))
+                    eventBus.publish(new UpdateAvailableEvent(version : payload.version, signer : payload.signer, infoHash : infoHash))
                 } else {
                     log.info("new version $payload.version available")
-                    updateInfoHash = new InfoHash(Base64.decode(payload.infoHash))
+                    updateInfoHash = new InfoHash(Base64.decode(infoHash))
                     if (fileManager.rootToFiles.containsKey(updateInfoHash))
                         eventBus.publish(new UpdateDownloadedEvent(version : payload.version, signer : payload.signer))
                     else {
diff --git a/gui/griffon-app/lifecycle/Ready.groovy b/gui/griffon-app/lifecycle/Ready.groovy
index 5ba03558..b5a9a2c0 100644
--- a/gui/griffon-app/lifecycle/Ready.groovy
+++ b/gui/griffon-app/lifecycle/Ready.groovy
@@ -49,6 +49,7 @@ class Ready extends AbstractLifecycleHandler {
             log.info("creating new properties")
             props = new MuWireSettings()
             props.embeddedRouter = Boolean.parseBoolean(System.getProperties().getProperty("embeddedRouter"))
+            props.updateType = System.getProperty("updateType")
             def nickname
             while (true) {
                 nickname = JOptionPane.showInputDialog(null,