diff --git a/VolumeManager.h b/VolumeManager.h
index 943a144..1a7b510 100644
--- a/VolumeManager.h
+++ b/VolumeManager.h
@@ -106,7 +106,7 @@
 
     userid_t getSharedStorageUser(userid_t userId);
 
-    int forgetPartition(const std::string& partGuid, const std::string& fsUuid);
+    bool forgetPartition(const std::string& partGuid, const std::string& fsUuid);
 
     int onUserAdded(userid_t userId, int userSerialNumber, userid_t cloneParentUserId);
     int onUserRemoved(userid_t userId);