diff --git a/src/database/database.hpp b/src/database/database.hpp
index f6b9d52..5fabadd 100644
--- a/src/database/database.hpp
+++ b/src/database/database.hpp
@@ -87,7 +87,7 @@ class Database
   struct Address: Column<std::string> { static constexpr auto name = "address_"; };
 
   struct ThrottleLimit: Column<unsigned long int> { static constexpr auto name = "throttlelimit_";
-      ThrottleLimit(): Column<std::size_t>(10) {} };
+      ThrottleLimit(): Column<unsigned long int>(10) {} };
 
   using MucLogLineTable = Table<Id, Uuid, Owner, IrcChanName, IrcServerName, Date, Body, Nick>;
   using MucLogLine = MucLogLineTable::RowType;