--- a/mobile/android/base/sync/repositories/RepositorySession.java
+++ b/mobile/android/base/sync/repositories/RepositorySession.java
@@ -235,19 +235,17 @@ public abstract class RepositorySession 
    * @throws InactiveSessionException
    */
   public void finish(final RepositorySessionFinishDelegate delegate) throws InactiveSessionException {
     try {
       this.transitionFrom(SessionStatus.ACTIVE, SessionStatus.DONE);
       delegate.deferredFinishDelegate(delegateQueue).onFinishSucceeded(this, this.getBundle(null));
     } catch (InvalidSessionTransitionException e) {
       Logger.error(LOG_TAG, "Tried to finish() an unstarted or already finished session");
-      InactiveSessionException ex = new InactiveSessionException(null);
-      ex.initCause(e);
-      throw ex;
+      throw new InactiveSessionException(e);
     }
 
     Logger.trace(LOG_TAG, "Shutting down work queues.");
     storeWorkQueue.shutdown();
     delegateQueue.shutdown();
   }
 
   /**