diff --git a/VoldNativeService.h b/VoldNativeService.h
index dd2b854..8368bdc 100644
--- a/VoldNativeService.h
+++ b/VoldNativeService.h
@@ -44,7 +44,7 @@
     binder::Status onUserStopped(int32_t userId);
 
     binder::Status partition(const std::string& diskId, int32_t partitionType, int32_t ratio);
-    binder::Status forgetPartition(const std::string& partGuid);
+    binder::Status forgetPartition(const std::string& partGuid, const std::string& fsUuid);
 
     binder::Status mount(const std::string& volId, int32_t mountFlags, int32_t mountUserId);
     binder::Status unmount(const std::string& volId);