diff --git a/fix-return-values.diff b/fix-return-values.diff
index b370c02..544e9e8 100644
--- a/fix-return-values.diff
+++ b/fix-return-values.diff
@@ -4,7 +4,7 @@
  		}
  	}
  	assert(false); // Never here, otherwise we do not have a queue for this ware.
-+        return NULL;
++        return *(wares_[0]).get(); // just something to avoid compiler warning
  }
  
  std::vector<WaresQueue*> ExpeditionBootstrap::wares() const {