diff --git a/model/StubVolume.h b/model/StubVolume.h
index 538cae9..3697b53 100644
--- a/model/StubVolume.h
+++ b/model/StubVolume.h
@@ -31,7 +31,7 @@
  */
 class StubVolume : public VolumeBase {
   public:
-    StubVolume(int id, const std::string& sourcePath, const std::string& mountPath,
+    StubVolume(dev_t id, const std::string& sourcePath, const std::string& mountPath,
                const std::string& fsType, const std::string& fsUuid, const std::string& fsLabel);
     virtual ~StubVolume();