diff --git a/SignalServiceKit/src/Protocols/NotificationsProtocol.h b/SignalServiceKit/src/Protocols/NotificationsProtocol.h
index 5a9abba27..a113d2567 100644
--- a/SignalServiceKit/src/Protocols/NotificationsProtocol.h
+++ b/SignalServiceKit/src/Protocols/NotificationsProtocol.h
@@ -8,6 +8,7 @@ NS_ASSUME_NONNULL_BEGIN
 @class TSIncomingMessage;
 @class TSThread;
 @class YapDatabaseReadTransaction;
+@class YapDatabaseReadWriteTransaction;
 
 @protocol ContactsManagerProtocol;