diff --git a/DirectVolume.h b/DirectVolume.h
index 2a78236..bf50891 100644
--- a/DirectVolume.h
+++ b/DirectVolume.h
@@ -45,6 +45,7 @@
 
     int handleBlockEvent(NetlinkEvent *evt);
     dev_t getDiskDevice();
+    dev_t getShareDevice();
     void handleVolumeShared();
     void handleVolumeUnshared();