diff --git a/plugins/transfer_auto_accept.cpp b/plugins/transfer_auto_accept.cpp
index f645c61..9329812 100644
--- a/plugins/transfer_auto_accept.cpp
+++ b/plugins/transfer_auto_accept.cpp
@@ -20,7 +20,7 @@ TransferAutoAccept::TransferAutoAccept(RegistryMessageModel& rmm, ConfigModelI&
 	//}
 
 	if (!_conf.has_int("TransferAutoAccept", "autoaccept_limit")) {
-		_conf.set("TransferAutoAccept", "autoaccept_limit", 50l*1024l*1024l); // sane default
+		_conf.set("TransferAutoAccept", "autoaccept_limit", int64_t(50l*1024l*1024l)); // sane default
 	}
 }